/* Color Palette System */

/* Default Bright Blue Theme */
:root {
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-blue-rgb: 37, 99, 235;
    
    --hover-color: #37a7eb;
    --gradient-from: #60a5fa;
    --gradient-to: #2563eb;
    
    --text-dark: #1e3a8a;
    --text-muted: #64748b;
    --text-muted-alt: #5a7a99;
    --text-light: #7a92ac;
    --text-lighter: #8b9ab3;
    --text-label: #6b8aad;
    --shadow-color: rgba(37, 99, 235, 0.15);
    
    --sidebar-hover: rgba(37, 99, 235, 0.08);
    --border-color: rgba(37, 99, 235, 0.15);
    --secondary-light: #6b9ec9;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #7db8a8, #6ba892);
    --grade-b: linear-gradient(145deg, #6b9ec9, #5a8fb5);
    --grade-c: linear-gradient(145deg, #5ab5c7, #47a5b7);
    --grade-d: linear-gradient(145deg, #c9a06b, #b5915d);
    --grade-e: linear-gradient(145deg, #c98080, #b57170);
    --grade-u: linear-gradient(145deg, #8a6b7a, #7a5b6a);
    
    --status-present-bg: linear-gradient(145deg, #d7e8d0, #cde0c6);
    --status-present-border: #9fb59a;
    --status-present-text: #4a6b48;
    
    --status-late-bg: linear-gradient(145deg, #f5e8c7, #ede0bd);
    --status-late-border: #d4be8b;
    --status-late-text: #8b7a3e;
    
    --status-absent-bg: linear-gradient(145deg, #f0d4d4, #e8caca);
    --status-absent-border: #d4a5a5;
    --status-absent-text: #8b4a4a;
    
    --status-excused-bg: linear-gradient(145deg, #d7e8f5, #cfe2f0);
    --status-excused-border: #9fb5d4;
    --status-excused-text: #3a5a8b;
    
    --cat-exam-bg: linear-gradient(145deg, #f5d7d7, #ead4cb);
    --cat-exam-text: #a56b6b;
    --cat-test-bg: linear-gradient(145deg, #f5ead7, #eae0cb);
    --cat-test-text: #a89b6b;
    --cat-project-bg: linear-gradient(145deg, #d7e8f5, #cbd4ea);
    --cat-project-text: #6b8aad;
    --cat-homework-bg: linear-gradient(145deg, #d7f0d7, #cbead4);
    --cat-homework-text: #6b9a6b;
    --cat-classwork-bg: linear-gradient(145deg, #ead7f5, #dccbea);
    --cat-classwork-text: #8a6bad;
    --cat-other-bg: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --cat-other-text: #7a92ac;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #34d399;
    --stat-late: #fbbf24;
    --stat-absent: #f87171;
    --stat-excused: #a78bfa;
}

/* Dark Ocean Theme */
:root[data-theme="ocean"] {
    --primary-blue: #0369a1;
    --primary-blue-dark: #0c4a6e;
    --primary-blue-light: #0ea5e9;
    --primary-blue-rgb: 3, 105, 161;
    
    --hover-color: #0284c7;
    --gradient-from: #06b6d4;
    --gradient-to: #0369a1;
    
    --text-dark: #0c2d4a;
    --text-muted: #475569;
    --text-muted-alt: #475569;
    --text-light: #0c4a6e;
    --text-lighter: #475569;
    --text-label: #0c4a6e;
    --shadow-color: rgba(3, 105, 161, 0.15);
    
    --sidebar-hover: rgba(3, 105, 161, 0.08);
    --border-color: rgba(3, 105, 161, 0.15);
    --secondary-light: #0ea5e9;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #06b6d4, #0ea5e9);
    --grade-b: linear-gradient(145deg, #0369a1, #0284c7);
    --grade-c: linear-gradient(145deg, #0c4a6e, #164e63);
    --grade-d: linear-gradient(145deg, #0d9488, #14b8a6);
    --grade-e: linear-gradient(145deg, #0891b2, #06b6d4);
    --grade-u: linear-gradient(145deg, #0369a1, #0284c7);
    
    --status-present-bg: linear-gradient(145deg, #a7f3d0, #86efac);
    --status-present-border: #4ade80;
    --status-present-text: #166534;
    
    --status-late-bg: linear-gradient(145deg, #fef08a, #fef3c7);
    --status-late-border: #fcd34d;
    --status-late-text: #713f12;
    
    --status-absent-bg: linear-gradient(145deg, #fca5a5, #f87171);
    --status-absent-border: #f87171;
    --status-absent-text: #7f1d1d;
    
    --status-excused-bg: linear-gradient(145deg, #a5f3fc, #67e8f9);
    --status-excused-border: #06b6d4;
    --status-excused-text: #0c4a6e;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef08a, #fef3c7);
    --cat-test-text: #713f12;
    --cat-project-bg: linear-gradient(145deg, #a5f3fc, #67e8f9);
    --cat-project-text: #0c4a6e;
    --cat-homework-bg: linear-gradient(145deg, #a7f3d0, #86efac);
    --cat-homework-text: #166534;
    --cat-classwork-bg: linear-gradient(145deg, #c4b5fd, #a78bfa);
    --cat-classwork-text: #4c0519;
    --cat-other-bg: linear-gradient(145deg, #a5f3fc, #67e8f9);
    --cat-other-text: #0c4a6e;
    
    --hw-badge-done-bg: linear-gradient(145deg, #a7f3d0, #86efac);
    --hw-badge-done-text: #166534;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef08a, #fef3c7);
    --hw-badge-partial-text: #713f12;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fca5a5, #f87171);
    --hw-badge-notdone-text: #7f1d1d;
    
    --stat-present: #4ade80;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #06b6d4;
}

/* Purple Gradient Theme */
:root[data-theme="purple"] {
    --primary-blue: #7c3aed;
    --primary-blue-dark: #6d28d9;
    --primary-blue-light: #a78bfa;
    --primary-blue-rgb: 124, 58, 237;
    
    --hover-color: #9333ea;
    --gradient-from: #c084fc;
    --gradient-to: #7c3aed;
    
    --text-dark: #5b21b6;
    --text-muted: #6b7280;
    --text-muted-alt: #7c3aed;
    --text-light: #7c3aed;
    --text-lighter: #9333ea;
    --text-label: #6d28d9;
    --shadow-color: rgba(124, 58, 237, 0.15);
    
    --sidebar-hover: rgba(124, 58, 237, 0.08);
    --border-color: rgba(124, 58, 237, 0.15);
    --secondary-light: #a78bfa;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #c084fc, #a78bfa);
    --grade-b: linear-gradient(145deg, #7c3aed, #9333ea);
    --grade-c: linear-gradient(145deg, #6d28d9, #7c3aed);
    --grade-d: linear-gradient(145deg, #9333ea, #a855f7);
    --grade-e: linear-gradient(145deg, #a855f7, #c084fc);
    --grade-u: linear-gradient(145deg, #7c3aed, #6d28d9);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #e9d5ff, #d8b4fe);
    --status-excused-border: #9333ea;
    --status-excused-text: #5b21b6;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #e9d5ff, #d8b4fe);
    --cat-project-text: #5b21b6;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #e9d5ff, #d8b4fe);
    --cat-classwork-text: #5b21b6;
    --cat-other-bg: linear-gradient(145deg, #ede9fe, #ddd6fe);
    --cat-other-text: #6d28d9;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #7c3aed;
}

/* Emerald Green Theme */
:root[data-theme="emerald"] {
    --primary-blue: #059669;
    --primary-blue-dark: #047857;
    --primary-blue-light: #10b981;
    --primary-blue-rgb: 5, 150, 105;
    
    --hover-color: #34d399;
    --gradient-from: #6ee7b7;
    --gradient-to: #059669;
    
    --text-dark: #065f46;
    --text-muted: #4b5563;
    --text-muted-alt: #059669;
    --text-light: #047857;
    --text-lighter: #10b981;
    --text-label: #065f46;
    --shadow-color: rgba(5, 150, 105, 0.15);
    
    --sidebar-hover: rgba(5, 150, 105, 0.08);
    --border-color: rgba(5, 150, 105, 0.15);
    --secondary-light: #10b981;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #6ee7b7, #34d399);
    --grade-b: linear-gradient(145deg, #059669, #10b981);
    --grade-c: linear-gradient(145deg, #047857, #059669);
    --grade-d: linear-gradient(145deg, #34d399, #6ee7b7);
    --grade-e: linear-gradient(145deg, #10b981, #34d399);
    --grade-u: linear-gradient(145deg, #059669, #047857);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #c1f0dd, #a7f3d0);
    --status-excused-border: #10b981;
    --status-excused-text: #065f46;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #c1f0dd, #a7f3d0);
    --cat-project-text: #065f46;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #c4b5fd, #a78bfa);
    --cat-classwork-text: #4c0519;
    --cat-other-bg: linear-gradient(145deg, #a7f3d0, #86efac);
    --cat-other-text: #065f46;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #059669;
}

/* Rose Pink Theme */
:root[data-theme="rose"] {
    --primary-blue: #e11d48;
    --primary-blue-dark: #be181d;
    --primary-blue-light: #f43f5e;
    --primary-blue-rgb: 225, 29, 72;
    
    --hover-color: #f72585;
    --gradient-from: #fb7185;
    --gradient-to: #e11d48;
    
    --text-dark: #831843;
    --text-muted: #5f5f5f;
    --text-muted-alt: #e11d48;
    --text-light: #be181d;
    --text-lighter: #f43f5e;
    --text-label: #831843;
    --shadow-color: rgba(225, 29, 72, 0.15);
    
    --sidebar-hover: rgba(225, 29, 72, 0.08);
    --border-color: rgba(225, 29, 72, 0.15);
    --secondary-light: #f43f5e;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #fb7185, #f43f5e);
    --grade-b: linear-gradient(145deg, #e11d48, #f43f5e);
    --grade-c: linear-gradient(145deg, #be181d, #e11d48);
    --grade-d: linear-gradient(145deg, #f43f5e, #f72585);
    --grade-e: linear-gradient(145deg, #f72585, #fb7185);
    --grade-u: linear-gradient(145deg, #e11d48, #be181d);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #fda4af, #fb7185);
    --status-excused-border: #f43f5e;
    --status-excused-text: #831843;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #fda4af, #fb7185);
    --cat-project-text: #831843;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #fda4af, #fb7185);
    --cat-classwork-text: #831843;
    --cat-other-bg: linear-gradient(145deg, #fecdd3, #fbcfe8);
    --cat-other-text: #be181d;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #e11d48;
}

/* Amber Orange Theme */
:root[data-theme="amber"] {
    --primary-blue: #ea580c;
    --primary-blue-dark: #c2410c;
    --primary-blue-light: #f97316;
    --primary-blue-rgb: 234, 88, 12;
    
    --hover-color: #fb923c;
    --gradient-from: #fbbf24;
    --gradient-to: #ea580c;
    
    --text-dark: #b45309;
    --text-muted: #556b6b;
    --text-muted-alt: #ea580c;
    --text-light: #c2410c;
    --text-lighter: #f97316;
    --text-label: #b45309;
    --shadow-color: rgba(234, 88, 12, 0.15);
    
    --sidebar-hover: rgba(234, 88, 12, 0.08);
    --border-color: rgba(234, 88, 12, 0.15);
    --secondary-light: #f97316;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #fbbf24, #f97316);
    --grade-b: linear-gradient(145deg, #ea580c, #f97316);
    --grade-c: linear-gradient(145deg, #c2410c, #ea580c);
    --grade-d: linear-gradient(145deg, #f97316, #fb923c);
    --grade-e: linear-gradient(145deg, #fb923c, #fbbf24);
    --grade-u: linear-gradient(145deg, #ea580c, #c2410c);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --status-excused-border: #f97316;
    --status-excused-text: #b45309;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #b45309;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-project-text: #b45309;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-classwork-text: #b45309;
    --cat-other-bg: linear-gradient(145deg, #fdba74, #fb923c);
    --cat-other-text: #c2410c;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #ea580c;
}

/* Indigo Theme */
:root[data-theme="indigo"] {
    --primary-blue: #4f46e5;
    --primary-blue-dark: #4338ca;
    --primary-blue-light: #6366f1;
    --primary-blue-rgb: 79, 70, 229;
    
    --hover-color: #818cf8;
    --gradient-from: #a5b4fc;
    --gradient-to: #4f46e5;
    
    --text-dark: #312e81;
    --text-muted: #555;
    --text-muted-alt: #4f46e5;
    --text-light: #4338ca;
    --text-lighter: #6366f1;
    --text-label: #312e81;
    --shadow-color: rgba(79, 70, 229, 0.15);
    
    --sidebar-hover: rgba(79, 70, 229, 0.08);
    --border-color: rgba(79, 70, 229, 0.15);
    --secondary-light: #6366f1;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #a5b4fc, #818cf8);
    --grade-b: linear-gradient(145deg, #4f46e5, #6366f1);
    --grade-c: linear-gradient(145deg, #4338ca, #4f46e5);
    --grade-d: linear-gradient(145deg, #6366f1, #818cf8);
    --grade-e: linear-gradient(145deg, #818cf8, #a5b4fc);
    --grade-u: linear-gradient(145deg, #4f46e5, #4338ca);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #e0e7ff, #c7d2fe);
    --status-excused-border: #6366f1;
    --status-excused-text: #312e81;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #e0e7ff, #c7d2fe);
    --cat-project-text: #312e81;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #e0e7ff, #c7d2fe);
    --cat-classwork-text: #312e81;
    --cat-other-bg: linear-gradient(145deg, #c7d2fe, #a5b4fc);
    --cat-other-text: #4338ca;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #4f46e5;
}

/* Teal Theme */
:root[data-theme="teal"] {
    --primary-blue: #14b8a6;
    --primary-blue-dark: #0d9488;
    --primary-blue-light: #2dd4bf;
    --primary-blue-rgb: 20, 184, 166;
    
    --hover-color: #2dd4bf;
    --gradient-from: #5eead4;
    --gradient-to: #14b8a6;
    
    --text-dark: #134e4a;
    --text-muted: #0d7377;
    --text-muted-alt: #14b8a6;
    --text-light: #0d9488;
    --text-lighter: #2dd4bf;
    --text-label: #0f766e;
    --shadow-color: rgba(20, 184, 166, 0.15);
    
    --sidebar-hover: rgba(20, 184, 166, 0.08);
    --border-color: rgba(20, 184, 166, 0.15);
    --secondary-light: #2dd4bf;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #5eead4, #2dd4bf);
    --grade-b: linear-gradient(145deg, #14b8a6, #2dd4bf);
    --grade-c: linear-gradient(145deg, #0d9488, #14b8a6);
    --grade-d: linear-gradient(145deg, #2dd4bf, #5eead4);
    --grade-e: linear-gradient(145deg, #5eead4, #99ede9);
    --grade-u: linear-gradient(145deg, #14b8a6, #0d9488);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #ccf9f4, #b3f0eb);
    --status-excused-border: #14b8a6;
    --status-excused-text: #134e4a;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #ccf9f4, #b3f0eb);
    --cat-project-text: #134e4a;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #ccf9f4, #b3f0eb);
    --cat-classwork-text: #134e4a;
    --cat-other-bg: linear-gradient(145deg, #b3f0eb, #99ede9);
    --cat-other-text: #0d9488;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #14b8a6;
}

/* Mint Theme */
:root[data-theme="mint"] {
    --primary-blue: #10b981;
    --primary-blue-dark: #059669;
    --primary-blue-light: #34d399;
    --primary-blue-rgb: 16, 185, 129;
    
    --hover-color: #34d399;
    --gradient-from: #6ee7b7;
    --gradient-to: #10b981;
    
    --text-dark: #065f46;
    --text-muted: #047857;
    --text-muted-alt: #10b981;
    --text-light: #059669;
    --text-lighter: #34d399;
    --text-label: #065f46;
    --shadow-color: rgba(16, 185, 129, 0.15);
    
    --sidebar-hover: rgba(16, 185, 129, 0.08);
    --border-color: rgba(16, 185, 129, 0.15);
    --secondary-light: #34d399;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #6ee7b7, #34d399);
    --grade-b: linear-gradient(145deg, #10b981, #34d399);
    --grade-c: linear-gradient(145deg, #059669, #10b981);
    --grade-d: linear-gradient(145deg, #34d399, #6ee7b7);
    --grade-e: linear-gradient(145deg, #10b981, #34d399);
    --grade-u: linear-gradient(145deg, #10b981, #059669);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #c1f0dd, #a7f3d0);
    --status-excused-border: #10b981;
    --status-excused-text: #065f46;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #c1f0dd, #a7f3d0);
    --cat-project-text: #065f46;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #c4b5fd, #a78bfa);
    --cat-classwork-text: #4c0519;
    --cat-other-bg: linear-gradient(145deg, #a7f3d0, #86efac);
    --cat-other-text: #065f46;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #f87171;
    --stat-excused: #10b981;
}

/* Coral Theme */
:root[data-theme="coral"] {
    --primary-blue: #ff6b6b;
    --primary-blue-dark: #ff5252;
    --primary-blue-light: #ff8787;
    --primary-blue-rgb: 255, 107, 107;
    
    --hover-color: #ff8787;
    --gradient-from: #ffb3b3;
    --gradient-to: #ff6b6b;
    
    --text-dark: #a00000;
    --text-muted: #c92a2a;
    --text-muted-alt: #ff6b6b;
    --text-light: #d63031;
    --text-lighter: #ff8787;
    --text-label: #a00000;
    --shadow-color: rgba(255, 107, 107, 0.15);
    
    --sidebar-hover: rgba(255, 107, 107, 0.08);
    --border-color: rgba(255, 107, 107, 0.15);
    --secondary-light: #ff8787;
    
    --bg-light: #f5f9fe;
    --bg-lighter: #f0f4f8;
    --bg-lightest: #f8fafb;
    --bg-card: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-button: linear-gradient(145deg, #f5f9fe, #f0f4f8);
    --bg-nav: linear-gradient(145deg, #e8ecf1, #dfe7ed);
    --bg-page: linear-gradient(180deg, #e8ecf1 0%, #f0f4f8 50%, #e8ecf1 100%);
    --bg-table-header: linear-gradient(145deg, #f0f4f8, #eaf0f6);
    --bg-hover: linear-gradient(145deg, #eef4fa, #e8ecf1);
    --bg-lesson: linear-gradient(145deg, #e3f0ff, #d7e8f8);
    --bg-lesson-hover: linear-gradient(145deg, #d7e8f8, #cfe2f5);
    
    --grade-a: linear-gradient(145deg, #ffb3b3, #ff8787);
    --grade-b: linear-gradient(145deg, #ff6b6b, #ff8787);
    --grade-c: linear-gradient(145deg, #ff5252, #ff6b6b);
    --grade-d: linear-gradient(145deg, #ff8787, #ffb3b3);
    --grade-e: linear-gradient(145deg, #ffb3b3, #ffc9c9);
    --grade-u: linear-gradient(145deg, #ff6b6b, #ff5252);
    
    --status-present-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --status-present-border: #10b981;
    --status-present-text: #065f46;
    
    --status-late-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --status-late-border: #fcd34d;
    --status-late-text: #92400e;
    
    --status-absent-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --status-absent-border: #f87171;
    --status-absent-text: #991b1b;
    
    --status-excused-bg: linear-gradient(145deg, #ffe3e3, #ffc9c9);
    --status-excused-border: #ff6b6b;
    --status-excused-text: #a00000;
    
    --cat-exam-bg: linear-gradient(145deg, #fed7aa, #fdba74);
    --cat-exam-text: #92400e;
    --cat-test-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --cat-test-text: #92400e;
    --cat-project-bg: linear-gradient(145deg, #ffe3e3, #ffc9c9);
    --cat-project-text: #a00000;
    --cat-homework-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --cat-homework-text: #065f46;
    --cat-classwork-bg: linear-gradient(145deg, #ffe3e3, #ffc9c9);
    --cat-classwork-text: #a00000;
    --cat-other-bg: linear-gradient(145deg, #ffc9c9, #ffb3b3);
    --cat-other-text: #c92a2a;
    
    --hw-badge-done-bg: linear-gradient(145deg, #d1fae5, #c1f0dd);
    --hw-badge-done-text: #065f46;
    --hw-badge-partial-bg: linear-gradient(145deg, #fef3c7, #fef0b5);
    --hw-badge-partial-text: #92400e;
    --hw-badge-notdone-bg: linear-gradient(145deg, #fee2e2, #fecaca);
    --hw-badge-notdone-text: #991b1b;
    
    --stat-present: #10b981;
    --stat-late: #fcd34d;
    --stat-absent: #ff6b6b;
    --stat-excused: #ff6b6b;
}