/* VerisoftEdu School ERP System - Premium Styling Sheet */

/* Root Variables and Educational Brand Theme */
:root {
    --primary: #1e3a8a;       /* Royal Educational Blue */
    --primary-light: #2563eb;
    --primary-container: #eff6ff;
    --on-primary: #ffffff;
    --secondary: #b45309;     /* Deep Gold / Amber Accent */
    --secondary-light: #d97706;
    --secondary-container: #fef3c7;
    --on-secondary: #ffffff;
    
    --background: #f8fafc;
    --surface: #ffffff;
    --surface-container-low: #f1f5f9;
    --surface-container-high: #e2e8f0;
    --outline: #94a3b8;
    --outline-variant: #cbd5e1;
    --on-surface: #0f172a;
    --on-surface-variant: #475569;
    
    --success: #15803d;
    --success-container: #dcfce7;
    --error: #b91c1c;
    --error-container: #fee2e2;
}

/* Dark Mode Variables Mapping */
.dark {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-container: #1e293b;
    --on-primary: #ffffff;
    --secondary: #d97706;
    --secondary-light: #f59e0b;
    --secondary-container: #2d1f10;
    --on-secondary: #ffffff;
    
    --background: #0b0f19;
    --surface: #131b2e;
    --surface-container-low: #1e293b;
    --surface-container-high: #334155;
    --outline: #64748b;
    --outline-variant: #475569;
    --on-surface: #f8fafc;
    --on-surface-variant: #cbd5e1;
    
    --success: #22c55e;
    --success-container: #064e3b;
    --error: #ef4444;
    --error-container: #7f1d1d;
}

/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--on-surface);
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Premium Glassmorphism */
.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(226, 232, 240, 0.6);
}
.dark .glass-panel {
    background: rgba(19, 27, 46, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(71, 85, 105, 0.3);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--outline);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-fade-up {
    animation: fadeUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Modal Backdrops & Overlays */
.modal-backdrop {
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: opacity 0.2s ease;
}
.modal-content-anim {
    transform: scale(0.96);
    opacity: 0;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}
.modal-active .modal-content-anim {
    transform: scale(1);
    opacity: 1;
}

/* QR Code ID Card Custom Canvas styles */
.id-card-container {
    width: 320px;
    height: 480px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.15);
    overflow: hidden;
}
.dark .id-card-container {
    background: linear-gradient(135deg, #0b1329 0%, #1e293b 100%);
}

/* Digital Certificate Layout for On-Screen & Printable Preview */
.certificate-preview-container {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 1.414; /* A4 Landscape Aspect Ratio */
    background-color: #fff8f0;
    color: #1a1a1a;
    border: 20px solid #b45309; /* Gold border */
    outline: 5px solid #1e3a8a; /* Blue sub-border */
    outline-offset: -15px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Print Specific Rules for Paper-based layouts */
@media print {
    /* Hide everything by default */
    body * {
        visibility: hidden;
    }
    /* Show only the active main content container if no modal is open */
    #app-main-layout, #app-main-layout * {
        visibility: visible;
    }
    /* Hide UI controls like sidebar, header, buttons, select boxes */
    aside, header, button, select, input, .no-print {
        display: none !important;
        visibility: hidden !important;
    }
    /* Adjust main layout padding on print */
    #app-main-layout {
        padding-left: 0 !important;
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }
    main {
        padding: 0 !important;
        margin: 0 !important;
    }
    /* If a print modal is open, override and print ONLY the modal's print area */
    .modal-active .print-area, .modal-active .print-area * {
        visibility: visible !important;
    }
    .modal-active #app-main-layout, .modal-active #app-main-layout * {
        visibility: hidden !important;
        display: none !important;
    }
    .modal-active .print-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        display: block !important;
    }
}

/* Task Board Columns */
.task-column {
    min-height: 250px;
    background-color: var(--surface-container-low);
    border-radius: 0.75rem;
    border: 1px dashed var(--outline-variant);
    padding: 1rem;
}
.dark .task-column {
    background-color: var(--surface-container-low);
    border: 1px dashed var(--outline-variant);
}
.task-card {
    background-color: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: 0.5rem;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
    cursor: grab;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.task-card:active {
    cursor: grabbing;
    transform: scale(0.98);
}
.task-card:hover {
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

/* Responsive Grid layouts */
.erp-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Professional Login Screen Split Layout */
.login-left-pane {
    background: linear-gradient(135deg, rgba(180, 83, 9, 0.65) 0%, rgba(217, 119, 6, 0.4) 50%, rgba(15, 23, 42, 0.88) 100%), url('school_children_bg.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}
.login-left-pane::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background-image: radial-gradient(circle, rgba(217, 119, 6, 0.06) 1px, transparent 1px);
    background-size: 24px 24px;
    transform: rotate(12deg);
}
.login-glow-orb {
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}
.login-input-focus {
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.login-input-focus:focus-within {
    border-color: var(--secondary-light);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}