@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@700&display=swap');
:root {
    --accent: #1e40af; --accent-hover: #1d4ed8; --primary-text: #1f2937; --muted-text: #6b7280;
    --border-color: #d1d5db; --bg: #f3f4f6; --card-bg: #ffffff; --success: #059669;
    --warn: #f59e0b; --danger: #dc2626; --header-bg: #eff6ff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUpIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(15px); } }

html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body { margin: 0; background-color: var(--bg); font-family: var(--font-sans); color: var(--primary-text); font-size: 14px; line-height: 1.4; -webkit-font-smoothing: antialiased; overflow-x: hidden; width: 100%; box-sizing: border-box; }
* { box-sizing: border-box; }

/* === LAYOUT & HEADER === */
.page-container { max-width: 1400px; margin: 0 auto; padding: 0 24px; animation: fadeIn 0.5s ease-out; }
.page-header { position: sticky; top: 8px; z-index: 100; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(10px); padding: 8px 12px; border-radius: 12px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); border: 1px solid var(--border-color); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
main { padding-top: 8px; }

.toolbar-group { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; max-width: 100%; }
.toolbar-group.main-actions { flex: 1 1 auto; }
.toolbar-group.secondary-actions { flex-shrink: 0; }
.group { display: flex; gap: 10px; align-items: center; }
.group label { font-size: 13px; color: var(--muted-text); font-weight: 500; }

/* === INPUTS & BUTTONS === */
select, input[type=text], input[type=number], input[type=date], input[type=email], input[type=password] { padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 8px; width: 100%; min-width: 0; box-sizing: border-box; background: var(--card-bg); font-family: var(--font-sans); font-size: 16px; transition: border-color 0.2s, box-shadow 0.2s; }
select:focus, input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1); }
select:disabled, input:disabled { background-color: #f3f4f6; color: #9ca3af; cursor: not-allowed; opacity: 1; }

/* Hide Number Input Spinners */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
input[type=number] {
  -moz-appearance: textfield; /* Firefox */
}

button, a.btn { padding: 9px 16px; background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%); color: white; border: none; border-radius: 8px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 600; font-size: 13px; transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.15s, background 0.2s; box-shadow: 0 4px 6px rgba(30, 64, 175, 0.2); user-select: none; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
button:hover, a.btn:hover { background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%); box-shadow: 0 6px 12px rgba(30, 64, 175, 0.3); transform: translateY(-2px); }
button:active, a.btn:active { transform: translateY(2px) scale(0.96); box-shadow: 0 1px 2px rgba(30, 64, 175, 0.2); transition: transform 0.05s; }
button.secondary, a.btn.secondary { background: #f3f4f6; color: #374151; border: 1px solid var(--border-color); box-shadow: none; }
button.secondary:hover, a.btn.secondary:hover { background: #e5e7eb; box-shadow: 0 2px 4px rgba(0,0,0,0.05); transform: translateY(-1px); }
button.ghost { background: transparent; color: var(--accent); border: 1px solid #bfd5ff; box-shadow: none; }
button.ghost:hover { background: #e0f2fe; box-shadow: 0 2px 4px rgba(0,0,0,0.05); transform: translateY(-1px); }
button.danger { background: linear-gradient(135deg, #dc2626 0%, #f43f5e 100%); color: white; box-shadow: 0 4px 6px rgba(220, 38, 38, 0.2); }
button.danger:hover { background: linear-gradient(135deg, #b91c1c 0%, #e11d48 100%); box-shadow: 0 6px 12px rgba(220, 38, 38, 0.3); }
button:disabled, a.btn[aria-disabled="true"] { background: #e5e7eb; color: #9ca3af; cursor: not-allowed; box-shadow: none; transform: none; }

/* === ICONS & CHIPS === */
.icon { transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.3s ease; }
.nav-links li a:hover .icon, button:hover .icon { transform: scale(1.15) rotate(3deg); filter: drop-shadow(0 0 6px currentColor); }
.icon-blue { stroke: #3b82f6 !important; } .icon-indigo { stroke: #6366f1 !important; } .icon-emerald { stroke: #10b981 !important; } .icon-violet { stroke: #8b5cf6 !important; } .icon-orange { stroke: #f97316 !important; } .icon-teal { stroke: #14b8a6 !important; } .icon-pink { stroke: #ec4899 !important; } .icon-rose { stroke: #f43f5e !important; } .icon-amber { stroke: #f59e0b !important; } .icon-cyan { stroke: #06b6d4 !important; } .icon-fuchsia { stroke: #d946ef !important; } .icon-red { stroke: #ef4444 !important; } .icon-darkred { stroke: #991b1b !important; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: #e0f2fe; color: var(--accent); border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 600; border: 1px solid rgba(30, 64, 175, 0.1); } #unsavedChip { display: none !important; margin: 0 !important; padding: 0 !important; }

/* === NAVIGATION === */
.hamburger-btn { background: transparent; border: none; padding: 8px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; transition: background-color 0.2s, transform 0.2s; box-shadow: none; }
.hamburger-btn:hover { background-color: #f3f4f6; transform: translateY(-1px); }
.hamburger-btn .icon { width: 24px; height: 24px; }
.nav-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; }
.nav-backdrop.open { opacity: 1; visibility: visible; }
.nav-drawer { position: fixed; top: 0; left: 0; height: 100%; width: 280px; background: var(--card-bg); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); z-index: 1001; display: flex; flex-direction: column; transform: translateX(-100%); transition: transform 0.3s ease-in-out; overflow-y: auto; }
.nav-drawer.open { transform: translateX(0); }
.nav-header { padding: 16px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.nav-header h3 { margin: 0; font-size: 18px; color: var(--accent); }
.nav-links { list-style: none; padding: 16px 0; margin: 0; flex-grow: 1; overflow-y: auto; }
.nav-links li a { display: flex; align-items: center; gap: 12px; padding: 12px 20px; text-decoration: none; color: var(--primary-text); font-weight: 600; font-size: 14px; border-left: 3px solid transparent; transition: background-color 0.2s, border-color 0.2s; }
.nav-links li a:hover { background-color: #f9fafb; border-left-color: var(--accent); }
.nav-links li a .icon { width: 24px; height: 24px; }
.nav-links li a.danger-link { color: var(--danger); }
.nav-links li a.danger-link:hover { background-color: #fef2f2; border-left-color: var(--danger); }
.nav-links .separator { height: 1px; background-color: #3b82f6; margin: 12px 20px; opacity: 0.5; }

/* === DROP ZONE & PANELS === */
#drop_zone { border: 2px dashed var(--border-color); border-radius: 12px; padding: 12px; text-align: center; cursor: pointer; transition: background-color 0.2s; flex-grow: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 80px; }
#drop_zone.dragover { background-color: #e0f2fe; border-color: var(--accent); }
#drop_zone svg, #drop_zone img, #drop_zone .icon { width: 32px !important; height: 32px !important; margin-bottom: 4px; }
#drop_zone p { margin: 0; color: var(--muted-text); font-weight: 500; font-size: 13px; }
#drop_zone p small { display: block; font-size: 11px; margin-top: 2px; }
#filename { font-weight: 600; color: var(--accent); margin-top: 4px; font-size: 12px; word-break: break-all; }
.panel:has(#drop_zone) { position: sticky; top: 60px; z-index: 90; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); padding: 12px 16px; margin-bottom: 12px; box-shadow: 0 4px 10px -2px rgba(0,0,0,0.1); }
@media (min-width: 961px) { .panel:has(#drop_zone) { top: 76px; padding: 16px 24px; } }
.panel { background: var(--card-bg); border-radius: 12px; padding: 24px; border: 1px solid var(--border-color); margin-bottom: 20px; animation: slideUpIn 0.5s ease-out forwards; }
.panel h3 { margin: 0 0 16px 0; font-size: 18px; color: var(--primary-text); }
.two-col { display: grid; grid-template-columns: 1fr 400px; gap: 24px; }
#statusBar { position: relative; z-index: 40; background: transparent; border-radius: 999px; padding: 4px 10px; border: 1px solid var(--border-color); font-size: 11px; display: flex; align-items: center; gap: 8px; margin: 0; box-shadow: none; white-space: nowrap; max-width: 250px; overflow: hidden; text-overflow: ellipsis; }
#statusBar .left { font-weight: 700; color: var(--primary-text); }
#statusBar .right { display: none; }
@media (min-width: 768px) { #statusBar { max-width: 400px; } #statusBar .right { display: inline-block; font-size: 10px; overflow: hidden; text-overflow: ellipsis; } }
#statusBar.ok { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
#statusBar.warn { background: #fffbeb; border-color: #fde68a; color: #854d0e; }
#statusBar.err { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

/* === REPORT SHEET & TABLES === */
.sheet { width: 100%; min-height: 420px; background: #fff; padding: 20px; border-radius: 10px; border: 1px solid var(--border-color); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05); overflow: hidden; box-sizing: border-box; color: #111; height: auto !important; page-break-inside: avoid; break-inside: avoid; }
.school-head { display: grid; grid-template-columns: 120px 1fr 120px; align-items: center; margin-bottom: 15px; padding: 10px 0 15px 0; border-bottom: 4px double #111; }
.school-head .head-left { display: flex; justify-content: flex-start; }
.school-head img { max-width: 100%; max-height: 85px; object-fit: contain; }
.school-head .head-center { text-align: center; }
.school-head h1 { margin: 0; font-family: 'Merriweather', 'Georgia', 'Times New Roman', serif; font-size: 26px; font-weight: 800; color: #000; letter-spacing: 0.5px; text-transform: uppercase; line-height: 1.1; }
.school-head .addr { font-family: var(--font-sans); font-size: 11px; color: #444; margin-top: 6px; font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase; }
.school-head .motto { font-family: 'Merriweather', 'Georgia', serif; margin-top: 4px; font-weight: 700; font-style: italic; color: #b91c1c; font-size: 13px; }
.key { font-size: 11px; color: #333; text-align: center; margin: 8px 0; padding: 4px 8px; background: #f9fafb; border-radius: 4px; font-weight: 500; }
.title { text-align: center; font-weight: 700; margin: 16px 0 16px; font-size: 16px; text-transform: uppercase; color: #000; }
.meta { display: grid; grid-template-columns: 2fr 1fr; gap: 15px; background: #f8fafc; border: 1px solid #cbd5e1; border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 4px; font-size: 13px; margin-bottom: 18px; page-break-inside: avoid; break-inside: avoid; }
.meta div { display: flex; gap: 8px; align-items: center; font-size: 14px; font-weight: 700; color: #111; }
.meta label { font-weight: 700; min-width: 100px; color: #000; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }

table.report { width: 100%; border-collapse: collapse !important; font-size: 11.5px; table-layout: fixed; margin-bottom: 16px; }
table.report th, table.report td { border: 1px solid #000 !important; padding: 6px 8px !important; text-align: center; word-break: break-word; vertical-align: middle !important; }
table.report th { background-color: #e2e8f0; font-weight: 700; color: #000; text-transform: uppercase; letter-spacing: 0.5px; font-size: 12px; border-bottom: 2px solid #475569 !important; }
table.report thead th:first-child { width: 18%; min-width: 18%; }
table.report tbody td { font-weight: 400; color: #111; }
table.report tbody tr:nth-child(even) { background-color: #f8fafc; }
table.report td.label { text-align: left; padding-left: 10px; font-weight: 700; color: #000; }
tr.total-row td { font-size: 12px; font-weight: 700; color: #000; }

.grade-ee, .grade-ee1, .grade-ee2 { color: #28a745; font-weight: 700; }
.grade-me, .grade-me1, .grade-me2 { color: #007bff; font-weight: 700; }
.grade-ae, .grade-ae1, .grade-ae2 { color: #ffbf00; font-weight: 700; }
.grade-be, .grade-be1, .grade-be2 { color: #6c757d; font-weight: 700; }

/* === CHARTS === */
.performance-section { display: flex; align-items: flex-start; gap: 15px; margin: 10px 0; page-break-inside: avoid; break-inside: avoid; }
.performance-label { font-weight: 500; color: #333; font-size: 12px; flex-shrink: 0; width: 35%; line-height: 1.3; padding-top: 5px; }
.mini-chart-wrap { margin: 0; flex-grow: 1; max-width: 280px; position: relative; height: 90px; display: flex; gap: 5px; }
.y-axis-labels { display: flex; flex-direction: column; justify-content: space-between; font-size: 9px; font-weight: 500; color: var(--muted-text); height: 70px; margin-top: 5px; text-align: right; flex-shrink: 0; width: 30px; }
.mini-chart { flex-grow: 1; display: flex; justify-content: space-around; align-items: flex-end; position: relative; height: 70px; width: 100%; border-bottom: 1px solid #333; border-left: 1px solid #333; margin-top: 5px; padding: 0 5%; }
.grid-line { position: absolute; left: 0; right: 0; height: 1px; border-top: 1px dashed #d1d5db; z-index: 0; }
.bar-item { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; position: relative; height: 100%; width: 30%; margin: 0; text-align: center; z-index: 1; }
.chart-bar { height: var(--bar-height); width: 100%; min-height: 3px; border-radius: 2px 2px 0 0; transition: height 0.5s ease-out; }
.bar-generic-1 { background: #1e40af; }
.bar-generic-2 { background: #059669; }
.bar-generic-3 { background: #d97706; }
.bar-generic-4 { background: #dc2626; }
.bar-generic-5 { background: #7c3aed; }
.bar-value { font-size: 10px; font-weight: 700; color: var(--primary-text); margin-bottom: 2px; white-space: nowrap; text-shadow: 0 0 2px white; }
.chart-labels { position: absolute; bottom: 5px; left: 35px; right: 0; display: flex; justify-content: space-around; padding: 0 5%; }
.chart-label { width: auto; text-align: center; font-weight: 600; line-height: 1.1; font-size: 10px; white-space: nowrap; transform: translateY(80%); }

/* === SIGNATURES & COMMENTS === */
.comments-row, .sign-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 10px; font-size: 12px; page-break-inside: avoid; break-inside: avoid; }
.comments-block { display: flex; flex-direction: column; gap: 4px; }
.comments-block>div:first-child { font-weight: 700; margin-bottom: 0px; color: #000; border-bottom: 1px solid #111; padding-bottom: 3px; font-size: 12.5px; }
.comments-block>div:nth-child(2) { min-height: 55px; line-height: 1.5; color: #111; font-weight: 400; font-size: 12px; } .comments-block>div:nth-child(2):empty { min-height: 85px; }
.sign-row { margin-top: 8px; padding: 4px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.sign-row.foot-dates { margin-top: 8px; padding: 4px 0; border: none; border-bottom: 1px solid var(--border-color); }
.sign-row + .sign-row:not(.foot-dates) { margin-top: 0 !important; border-top: none !important; padding-top: 0 !important; }
.sign { border: none; padding: 0; border-radius: 0; min-height: 20px; background: transparent; line-height: 1.2; font-size: 11px; display: flex; align-items: flex-end; padding-bottom: 2px; color: #111; }
.comments-block .sign { border-bottom: none; }
.sign b { color: #000; font-weight: 700; margin-right: 4px; white-space: nowrap; }
.sign .signature-font { font-family: 'Dancing Script', cursive; font-size: 20px; color: #223c8a; padding: 0 5px; }

/* === TOASTS & DIALOGS === */
.toasts { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 12px; z-index: 9999; width: 90vw; max-width: 400px; align-items: center; }
.toast { background: #27272a; color: white; padding: 12px 16px; border-radius: 8px; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); font-size: 14px; display: flex; align-items: center; gap: 8px; font-weight: 500; animation: toastIn 0.4s ease-out; width: 100%; box-sizing: border-box; justify-content: center; text-align: center; }
.toast.exiting { animation: toastOut 0.4s ease-in forwards; }
.toast.success { background-color: var(--success); }
.toast.error { background-color: var(--danger); }
.toast.warn { background-color: var(--warn); color: #1e293b; }

.inline-toast { position: fixed; transform: translate(-50%, -100%); background: #333; color: white; padding: 6px 10px; border-radius: 6px; font-size: 11px; font-weight: 600; z-index: 10000; pointer-events: none; box-shadow: 0 4px 6px rgba(0,0,0,0.15); animation: inlineToastIn 0.2s ease-out; white-space: nowrap; }
.inline-toast::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border-width: 5px; border-style: solid; border-color: #333 transparent transparent transparent; }
.inline-toast.exiting { animation: inlineToastOut 0.2s ease-in forwards; }
.inline-toast.error { background: var(--danger); } .inline-toast.error::after { border-color: var(--danger) transparent transparent transparent; }
.inline-toast.success { background: var(--success); } .inline-toast.success::after { border-color: var(--success) transparent transparent transparent; }
@keyframes inlineToastIn { from { opacity: 0; transform: translate(-50%, -80%); } to { opacity: 1; transform: translate(-50%, -100%); } }
@keyframes inlineToastOut { to { opacity: 0; transform: translate(-50%, -80%); } }

dialog { border-radius: 12px; padding: 0; border: 1px solid var(--border-color); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); max-width: 740px; width: 95%; max-height: 90vh; overflow-y: auto; overflow-x: hidden; box-sizing: border-box; }
dialog::backdrop { background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); }
dialog[open] { animation: slideUpIn 0.4s ease-out; }
.dlg-hd { padding: 16px 20px; font-weight: 700; font-size: 16px; border-bottom: 1px solid var(--border-color); }
.dlg-bd { padding: 20px; line-height: 1.6; }
.dlg-ft { padding: 12px 20px; display: flex; gap: 10px; justify-content: flex-end; border-top: 1px solid #f9fafb; background: #f9fafb; }
#errorDlg .dlg-hd { background: #fef2f2; color: var(--danger); }
#confirmDlg .dlg-hd { background: #fffbeb; color: #854d0e; }
pre.err { background: #f9fafb; border: 1px solid var(--border-color); padding: 12px; max-height: 240px; overflow: auto; border-radius: 6px; font-size: 13px; white-space: pre-wrap; word-break: break-word; }

/* === FORMS & LISTS === */
.la-grid { display: grid; grid-template-columns: 1fr 120px auto; gap: 10px; align-items: center; margin-bottom: 10px; }
.la-grid > label { font-weight: 600; font-size: 12px; color: var(--muted-text); padding-bottom: 4px; }
.la-grid-header { border-bottom: 1px solid var(--border-color); }
.la-item input[type="text"] { width: 100%; }
.la-item .key-display { font-family: monospace; font-size: 13px; color: var(--muted-text); padding: 8px 12px; background: #f9fafb; border-radius: 8px; border: 1px solid var(--border-color); }
.details-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.details-form .input-group { display: flex; flex-direction: column; gap: 6px; }
.details-form label { font-weight: 600; font-size: 13px; color: var(--primary-text); }
.details-form input, .details-form select { width: 100%; }
.user-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.user-badge.admin { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.user-badge.user { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }

/* Role-based UI Hiding */
body.user-mode .restricted-action { display: none !important; }
body.user-mode #livePreviewContainer { display: none !important; }
body.user-mode .two-col { grid-template-columns: 1fr !important; }

/* === AUTH & ENTERPRISE DASHBOARD === */
#firebaseAuthOverlay { 
    position: fixed; inset: 0; z-index: 9999; 
    display: flex; flex-direction: column; align-items: center; justify-content: center; 
    background: linear-gradient(135deg, var(--accent) 0%, #3b82f6 100%);
    padding: 20px;
    box-sizing: border-box;
}
.auth-greeting-container {
    color: white; text-align: center; margin-bottom: 24px; width: 100%; padding: 0 20px; z-index: 10;
    animation: fadeIn 0.6s ease-out;
}
.auth-greeting-container h1 { font-size: 32px; font-weight: 700; margin: 0 0 4px 0; letter-spacing: -0.5px; }
.auth-greeting-container h2 { font-size: 20px; font-weight: 500; margin: 0; opacity: 0.9; }

.auth-card { 
    background: white; padding: 32px 24px; border-radius: 24px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.2); width: 100%; max-width: 400px; 
    text-align: center; border: none; height: auto; max-height: 85vh; overflow-y: auto;
}
@media (min-width: 600px) {
    .auth-card { max-width: 450px; margin-bottom: 0; }
    .auth-greeting-container { margin-bottom: 30px; }
}

.auth-lang-btn {
    position: absolute; top: 16px; right: 16px; background: rgba(255,255,255,0.15); border: none; 
    border-radius: 8px; color: white; padding: 8px 12px; display: flex; align-items: center; 
    cursor: pointer; transition: background 0.2s; backdrop-filter: blur(4px); z-index: 20;
}
.auth-lang-btn:hover { background: rgba(255,255,255,0.25); transform: translateY(-1px); }
.auth-lang-btn svg:first-child { width: 20px; height: 20px; }
.auth-card h2 { color: var(--accent); margin-top: 0; font-size: 22px; font-weight: 800; }
.auth-card p { color: var(--muted-text); font-size: 14px; margin-bottom: 24px; }
.auth-card .input-group { text-align: left; margin-bottom: 16px; }
.auth-header-icon { width: 56px; height: 56px; background: #eff6ff; color: var(--accent); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; box-shadow: 0 4px 10px rgba(30, 64, 175, 0.1); }
.input-with-icon { position: relative; display: flex; align-items: center; }
.input-with-icon input { width: 100%; padding-left: 40px !important; padding-right: 40px !important; }
.input-icon { position: absolute; left: 12px; width: 20px; height: 20px; color: #9ca3af; pointer-events: none; }
.toggle-password { position: absolute; right: 8px; background: transparent !important; border: none !important; padding: 6px !important; cursor: pointer; color: #9ca3af !important; display: flex; align-items: center; justify-content: center; border-radius: 6px !important; box-shadow: none !important; }
.toggle-password:hover { color: var(--primary-text) !important; background: #f3f4f6 !important; transform: none !important; }
.toggle-password svg { width: 20px; height: 20px; }
.forgot-link { font-size: 12px; color: var(--accent); text-decoration: none; font-weight: 600; transition: opacity 0.2s; }
.forgot-link:hover { opacity: 0.8; text-decoration: underline; }
.spinner { animation: spin 1s linear infinite; width: 20px; height: 20px; color: white; margin: 0 auto; }
.opacity-25 { opacity: 0.25; } .opacity-75 { opacity: 0.75; }
@keyframes spin { 100% { transform: rotate(360deg); } }
.msg-error { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.msg-success { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; }

.enterprise-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }  
.metric-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; text-align: center; }  
.metric-value { font-size: 32px; font-weight: 800; color: var(--accent); }  
.metric-label { font-size: 13px; color: var(--muted-text); margin-top: 4px; }
.analytics-bar { height: 24px; background: #e5e7eb; border-radius: 12px; overflow: hidden; margin: 8px 0; }  
.analytics-fill { height: 100%; background: var(--accent); transition: width 0.5s ease; }  
.analytics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }  
.audit-table { width: 100%; font-size: 13px; border-collapse: collapse; }  
.audit-table th { background: var(--header-bg); text-align: left; padding: 10px; font-weight: 700; }  
.audit-table td { padding: 10px; border-bottom: 1px solid var(--border-color); }  
.audit-timestamp { font-family: monospace; font-size: 12px; color: var(--muted-text); }  
.audit-loading { text-align: center; padding: 40px; color: var(--muted-text); }  
.audit-empty { text-align: center; padding: 40px; font-style: italic; color: var(--muted-text); }

.status-card-content { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; min-height: 54px; }
.status-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background-color: var(--muted-text); transition: background-color 0.3s ease, box-shadow 0.3s ease; flex-shrink: 0; }
.status-dot.healthy { background-color: var(--success); box-shadow: 0 0 8px rgba(5, 150, 105, 0.4); }
.status-dot.error { background-color: var(--danger); box-shadow: 0 0 8px rgba(220, 38, 38, 0.5); animation: pulseRed 2s infinite; }
.status-main-text { font-size: 16px; font-weight: 800; color: var(--primary-text); line-height: 1; }
.status-sub-text { font-size: 13px; font-weight: 500; color: var(--muted-text); text-align: center; }
@keyframes pulseRed { 0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); } 70% { box-shadow: 0 0 0 6px rgba(220, 38, 38, 0); } 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); } }

/* === ADD MARKS PANEL === */
.am-section { background: #fcfcfc; border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); }
.am-title { margin: 0 0 14px 0; font-size: 13px; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; }
.am-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 12px; }
.am-grid-3 .input-group { display: flex; flex-direction: column; gap: 6px; }
.am-grid-3 label { font-size: 12px; font-weight: 700; color: var(--primary-text); }
.am-grid-3 input, .am-grid-3 select { padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border-color); font-size: 14px; width: 100%; box-sizing: border-box; background: #fff; font-family: var(--font-sans); }
.am-grid-3 input:focus, .am-grid-3 select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1); }
.am-btn-group { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.am-btn { padding: 8px 16px; border-radius: 99px; border: 1px solid var(--border-color); background: #f9fafb; color: var(--muted-text); font-size: 13px; font-weight: 700; cursor: pointer; transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1); flex: 1 1 auto; text-align: center; user-select: none; touch-action: manipulation; -webkit-tap-highlight-color: transparent; } .am-btn:active { transform: scale(0.95); transition: transform 0.05s; }
.am-btn.active { background: #e0f2fe; color: var(--accent); border-color: #bae6fd; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.am-btn:hover:not(.active) { background: #e5e7eb; color: var(--primary-text); }
.grade-group { display: none; }
.grade-group.active { display: flex; animation: fadeIn 0.3s; }
.am-subjects-grid { display: grid; grid-template-columns: 1fr; gap: 8px; max-height: 55vh; min-height: auto; overflow-y: auto; padding-right: 4px; margin-bottom: 12px; align-content: start; }
.am-subject-row { display: flex; align-items: center; justify-content: space-between; background: #fff; padding: 8px 12px !important; border-radius: 8px; border: 1px solid #e5e7eb; height: 50px !important; max-height: 50px !important; box-sizing: border-box; }
.am-subject-name { font-size: 13px; font-weight: 700; color: var(--primary-text); flex: 1; text-align: left; }
.am-subject-input-wrapper { display: flex; align-items: center; justify-content: flex-end; gap: 8px; width: auto !important; }
.am-subject-input { min-width: 0 !important; max-width: 80px !important; width: 70px !important; height: 34px !important; text-align: center; padding: 4px 8px !important; border-radius: 6px; border: 1px solid var(--border-color); font-size: 15px; font-weight: 800; color: var(--accent); background: #f9fafb; transition: all 0.2s; box-sizing: border-box; margin: 0 !important; }
.am-subject-input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1); background: #fff; }
.am-outof-label { font-size: 12px; color: var(--muted-text); font-weight: 600; white-space: nowrap; margin: 0; }
.am-split-view { display: flex; gap: 16px; flex-direction: column; }
@media (min-width: 768px) { .am-split-view { flex-direction: row; align-items: flex-start; } .am-learner-list-wrap { width: 220px; flex-shrink: 0; } .am-marks-entry { flex: 1; } }
.am-learner-list { display: flex; flex-direction: column; gap: 8px; max-height: 60vh; min-height: auto; overflow-y: auto; padding-right: 4px; }
.am-learner-item { padding: 12px 14px; background: #fff; border: 1px solid var(--border-color); border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600; transition: all 0.2s; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 1px 2px rgba(0,0,0,0.02); }
.am-learner-item:hover { border-color: #93c5fd; background: #f0fdf4; }
.am-learner-item.active { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 6px rgba(30, 64, 175, 0.2); }
.am-learner-item .status { width: 10px; height: 10px; border-radius: 50%; background: #d1d5db; box-shadow: inset 0 1px 2px rgba(0,0,0,0.1); }
.am-learner-item.has-marks .status { background: #34d399; }
.am-learner-item.active .status { border: 2px solid #fff; }
.add-marks-flow { display: flex; flex-direction: column; }

/* === GRID VIEW === */
.am-grid-table-container { 
    -webkit-overflow-scrolling: touch; scroll-behavior: smooth; overscroll-behavior-x: contain; 
    overflow-x: auto; max-height: 60vh; min-height: auto; border: 1px solid var(--border-color); 
    border-radius: 8px; background: #fff; max-width: 100%; box-sizing: border-box; display: block;
}
.am-grid-table-container::-webkit-scrollbar { width: 6px; height: 6px; }
.am-grid-table-container::-webkit-scrollbar-thumb { background-color: #cbd5e1; border-radius: 4px; }

#amGridTable { border-collapse: separate !important; border-spacing: 0; border-top: 1px solid var(--border-color); width: 100%; min-width: 400px; margin: 0; font-size: 13px; }
#amGridTable th, #amGridTable td { border-right: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }

#amGridTable th { background: var(--header-bg); color: var(--primary-text); font-weight: 700; position: sticky; top: 0; z-index: 10; white-space: nowrap; padding: 8px 6px !important; }
#amGridTable th.learner-name-cell { left: 0; z-index: 15; min-width: 100px; max-width: 130px; border-left: 1px solid var(--border-color); }

#amGridTable td { padding: 4px 6px !important; text-align: center; vertical-align: middle; }
#amGridTable td.learner-name-cell { text-align: left; font-weight: 600; position: sticky; left: 0; background: #fff; z-index: 5; min-width: 100px; max-width: 130px; white-space: normal; box-shadow: 2px 0 5px rgba(0,0,0,0.03); border-left: 1px solid var(--border-color); line-height: 1.2; } 

#amGridTable tr:nth-child(even) td.learner-name-cell { background: #f8fafc; }
#amGridTable tr:focus-within td { background-color: #f0fdf4 !important; transition: background-color 0.1s; }

.grid-score-input { 
    width: 100% !important; min-width: 0 !important; max-width: 70px !important; height: 38px !important; 
    margin: 0 auto; display: block; text-align: center; padding: 4px; border-radius: 4px; 
    border: 1px solid #cbd5e1; font-size: 15px; font-weight: 700; color: var(--accent); 
    background: #f9fafb; transition: all 0.1s; box-sizing: border-box; 
}
.grid-score-input:focus { border-color: var(--success); outline: none; box-shadow: inset 0 0 0 2px rgba(16, 185, 129, 0.4); background: #fff; }
.grid-score-input:disabled, .locked-input { background: #e5e7eb !important; color: #9ca3af !important; cursor: not-allowed !important; }

/* Sticky Save Action Bars (Visible above mobile keyboards) */
div:has(> #amGridSaveBtn), 
div:has(> #amSaveAndNextBtn) { 
    position: sticky !important; 
    bottom: -1px; 
    padding: 12px; 
    background: rgba(255, 255, 255, 0.98); 
    backdrop-filter: blur(6px); 
    z-index: 90; 
    border-top: 1px solid var(--border-color); 
    margin: auto -12px -12px -12px !important; 
    box-shadow: 0 -6px 15px rgba(0,0,0,0.1); 
    border-radius: 0 0 12px 12px; 
}
#amSaveOutOfBtn {
    position: sticky !important;
    bottom: 12px;
    z-index: 90;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}
#amGridSaveBtn, #amSaveAndNextBtn { 
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); 
    font-size: 15px !important; 
    width: 100%;
}

/* === TEACHER MANAGEMENT === */
.subject-checkboxes-container { border: 1px solid var(--border-color); border-radius: 8px; background: #fcfcfc; }
.grade-subject-panels .grade-panel { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; max-height: 250px; overflow-y: auto; padding: 12px; }
.subject-pill { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--border-color); border-radius: 8px; background: #fff; font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.2s; user-select: none; }
.subject-pill.selected { border-color: var(--accent); background: #e0f2fe; color: var(--accent); }
.subject-pill input[type="checkbox"] { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.grade-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 8px; border-bottom: 1px solid var(--border-color); background: #f9fafb; border-radius: 8px 8px 0 0; }
.grade-tabs::-webkit-scrollbar { height: 4px; }
.grade-tabs::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }

/* === RESPONSIVE BREAKPOINTS === */
@media (max-width: 960px) {
    .page-container { padding: 0 12px; margin: 0 auto; }
    .page-header { flex-direction: column; align-items: stretch; top: 0; border-radius: 0; padding: 8px; gap: 8px; }
    .two-col { grid-template-columns: 1fr; }
    .panel { padding: 16px; margin-bottom: 12px; }
}
@media (max-width: 768px) {
    .toolbar-group { flex-wrap: wrap; }
    .details-form { grid-template-columns: 1fr; }
    .am-section { padding: 12px; } 
    .am-split-view { gap: 12px; }
}
@media (max-width: 600px) {
    .page-container { padding: 0 6px; }
    .panel { padding: 10px; }
    .am-section { padding: 10px; }
    .toast { font-size: 13px; padding: 10px; }
    .user-badge { max-width: 180px; font-size: 11px; }
    .auth-card { padding: 24px 16px; box-sizing: border-box; } 
    .la-grid { grid-template-columns: 1fr 80px auto; gap: 6px; }
    .school-head { flex-direction: column !important; text-align: center !important; gap: 8px !important; }
    .school-head img { margin: 0 auto !important; max-height: 60px !important; }
    .meta { grid-template-columns: 1fr !important; gap: 4px !important; }
    .comments-row, .sign-row { grid-template-columns: 1fr !important; gap: 8px !important; }
    .sign-row.foot-dates { flex-direction: column !important; gap: 8px !important; }
    .sign-row.foot-dates > div { width: 100% !important; justify-content: space-between !important; }
    .performance-section { flex-direction: column !important; }
    .performance-label { width: 100% !important; }
    .mini-chart-wrap { max-width: 100% !important; width: 100% !important; }
    table.report th, table.report td { padding: 4px 2px !important; font-size: 10px !important; }
}

/* === PRINT CSS === */
@media print {
    @page { size: A4 portrait; margin: 5mm; } 
    html, body, main, #mainContent, #batchContainer {
        background: #fff !important; margin: 0 !important; padding: 0 !important; width: 100% !important;
        -webkit-print-color-adjust: exact; print-color-adjust: exact;
    }
    .page-header, .panel, #statusBar, .toasts, .nav-drawer, .nav-backdrop, #firebaseAuthOverlay { display: none !important; }
    #batchContainer { display: block !important; }

    .sheet { 
        width: 100% !important; margin: 0 !important; padding: 5mm !important; border: none !important; border-radius: 0 !important; box-shadow: none !important; box-sizing: border-box !important; overflow: visible !important; page-break-inside: auto !important; break-inside: auto !important; page-break-after: always; break-after: page; 
        display: flex !important; flex-direction: column !important; height: 287mm !important; min-height: 287mm !important;
    }
    .sheet:last-child { page-break-after: auto !important; break-after: auto !important; }

    .school-head { border-bottom: 4px double #000 !important; }
    .school-head h1 { font-size: 24px !important; margin-bottom: 4px !important; }
    .school-head .addr { font-size: 10px !important; margin-top: 0 !important; color: #000 !important; }
    .school-head .motto { font-size: 12px !important; margin-top: 2px !important; }
    .school-head img { max-height: 25mm !important; }
    .key { margin-bottom: 2px !important; }     .title { font-size: 14px !important; margin: 2px 0 8px !important; }
    
    .sheet table.report { font-size: 11px !important; margin-bottom: 8px !important; }
    .sheet table.report th { font-size: 11.5px !important; padding: 8px 6px !important; border: 1px solid #000 !important; background-color: #e2e8f0 !important; color: #000 !important; }
    .sheet table.report td { font-size: 11px !important; padding: 8px 6px !important; border: 1px solid #000 !important; }
    .sheet tr.total-row td { font-size: 11.5px !important; }
    table.report tbody tr:nth-child(even) { background-color: #f8fafc !important; }
    
    .meta { font-size: 11px !important; padding: 4px !important; margin-bottom: 6px !important; gap: 4px 10px !important; }
    .comments-block>div:nth-child(2) { font-size: 11.5px !important; min-height: 50px !important; }      .comments-block>div:nth-child(2):empty { min-height: 95px !important; } 
    .mini-chart-wrap { height: 70px !important; max-width: 220px !important; } 
    .mini-chart { height: 45px !important; padding-bottom: 2px !important; }
    .chart-bar { min-height: 2px !important; }
    .bar-value { font-size: 9px !important; margin-bottom: 1px !important; }
    .chart-labels, .chart-label { font-size: 9px !important; }
    
    .performance-section { margin-top: auto !important; margin-bottom: 0 !important; }
    .comments-row { margin-top: auto !important; gap: 10px !important; } 
    
    .sign-row { margin-top: 15px !important; padding: 12px 0 !important; gap: 10px !important; } 
    .sign { min-height: 18px !important; padding-bottom: 0 !important; font-size: 11.5px !important; margin-top: 2px !important;} 
    
    .sign-row + div:not(.foot-dates) { margin-top: 15px !important; gap: 15px !important; }
    .sign-row.foot-dates { margin-top: auto !important; padding-top: 15px !important; }
    
    .sheet table, .sheet thead, .sheet tbody, .sheet tr, .sheet td, .sheet th { page-break-inside: avoid !important; break-inside: avoid !important; }
    .comments-row, .sign-row, .meta, .performance-section { page-break-inside: avoid !important; break-inside: avoid !important; }
    img, svg { max-width: 100% !important; max-height: 120mm !important; height: auto !important; }

    .sheet, .sheet * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
}

/* KILL AUTOFILL BAR: Hide Chrome's search 'X' button */
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
  -webkit-appearance: none;
  display: none;
}