/**
 * Tech Mark Solution Dashboard - Complete Stylesheet
 * Customize colors, sizes, and spacing by editing the CSS variables below
 */

/* ===== CSS VARIABLES (CUSTOMIZE HERE) ===== */
:root {
    /* Primary Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    
    /* Status Colors */
    --color-success: #16a34a;
    --color-success-light: #d1fae5;
    --color-warning: #ca8a04;
    --color-warning-light: #fef3c7;
    --color-danger: #dc2626;
    --color-danger-light: #fee2e2;
    --color-info: #2563eb;
    --color-info-light: #dbeafe;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Countdown Timer Colors */
    --countdown-urgent: #dc2626;
    --countdown-warning: #ca8a04;
    --countdown-normal: #2563eb;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Countdown Timer Sizes (ADJUST THESE TO CHANGE TIMER SIZE) */
    --countdown-digit-width: 8px;
    --countdown-digit-height: 11px;
    --countdown-digit-font: 7px;
    --countdown-label-font: 5px;
    --countdown-colon-font: 6px;
    --countdown-gap: 1px;
}

/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-gray-100);
    color: var(--color-gray-800);
    line-height: 1.5;
}

/* ===== TYPOGRAPHY ===== */
h1 { font-size: 1.875rem; font-weight: 700; line-height: 1.25; }
h2 { font-size: 1.5rem; font-weight: 600; line-height: 1.3; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.4; }
h4 { font-size: 1.125rem; font-weight: 600; line-height: 1.5; }
h5 { font-size: 1rem; font-weight: 600; line-height: 1.5; }
h6 { font-size: 0.875rem; font-weight: 600; line-height: 1.5; }

p { margin-bottom: var(--spacing-md); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-white);
}

.btn-danger:hover {
    background-color: #b91c1c;
    color: var(--color-white);
}

.btn-success {
    background-color: var(--color-success);
    color: var(--color-white);
}

.btn-success:hover {
    background-color: #15803d;
    color: var(--color-white);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===== CARDS ===== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-header {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray-200);
}

.card-body {
    padding: var(--spacing-md) 0;
}

/* ===== STATUS BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-pending {
    background-color: var(--color-warning-light);
    color: #92400e;
}

.badge-progress {
    background-color: var(--color-info-light);
    color: #1e40af;
}

.badge-completed {
    background-color: var(--color-success-light);
    color: #065f46;
}

.badge-overdue {
    background-color: var(--color-danger-light);
    color: #991b1b;
}

/* ===== TABLES ===== */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background-color: var(--color-gray-50);
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--color-gray-200);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

/* ===== NAVIGATION ===== */
.navbar {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    padding-bottom: 10px;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.nav-link {
    color: var(--color-gray-600);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: color 0.2s;
    font-size: 0.875rem;
}

.nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== COUNTDOWN TIMER ===== */
.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--countdown-gap);
    flex-wrap: nowrap; flex-direction: row;
}

.countdown .digit-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown .digit-box {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    width: var(--countdown-digit-width);
    height: var(--countdown-digit-height);
    font-size: var(--countdown-digit-font);
}

.countdown .digit-label {
    color: var(--color-gray-500);
    font-weight: 500;
    margin-top: 1px;
    font-size: var(--countdown-label-font);
}

.countdown .digit-separator {
    font-weight: 700;
    font-size: var(--countdown-colon-font);
}

.countdown .text-blue-600 {
    color: var(--countdown-normal);
}

.countdown .text-red-600 {
    color: var(--countdown-urgent);
}

.countdown .text-yellow-600 {
    color: var(--countdown-warning);
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: var(--color-success-light);
    color: #065f46;
    border-left: 4px solid var(--color-success);
}

.alert-error {
    background-color: var(--color-danger-light);
    color: #991b1b;
    border-left: 4px solid var(--color-danger);
}

.alert-warning {
    background-color: var(--color-warning-light);
    color: #92400e;
    border-left: 4px solid var(--color-warning);
}

.alert-info {
    background-color: var(--color-info-light);
    color: #1e40af;
    border-left: 4px solid var(--color-info);
}

/* ===== MOBILE OPTIMIZATIONS ===== */
@media (max-width: 639px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.125rem; }
    
    .card {
        padding: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .table {
        font-size: 0.75rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
    }
}

/* ===== TABLET (640px - 1023px) ===== */
@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    /* Slightly larger countdown on tablet */
    :root {
        --countdown-digit-width: 10px;
        --countdown-digit-height: 13px;
        --countdown-digit-font: 8px;
        --countdown-label-font: 6px;
        --countdown-colon-font: 7px;
        --countdown-gap: 2px;
    }
}

/* ===== DESKTOP (1024px and up) ===== */
@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .mobile-menu
    {
        display: none;
    }

    
    /* Larger countdown on desktop */
    :root {
        --countdown-digit-width: 12px;
        --countdown-digit-height: 16px;
        --countdown-digit-font: 2px;
        --countdown-label-font: 1px;
        --countdown-colon-font: 1px;
        --countdown-gap: 3px;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; margin-top:20px;}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: nowrap; flex-direction: row; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-800 { color: var(--color-gray-800); }

/* Background Colors */
.bg-white { background-color: var(--color-white); margin-bottom:20px;}
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-primary { background-color: var(--color-primary); }
.bg-success { background-color: var(--color-success); }
.bg-danger { background-color: var(--color-danger); }

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .btn,
    .alert {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--color-gray-300);
    }
}

/* Countdown Timer Responsive Styles */
.countdown-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 0;
    flex-wrap: nowrap; flex-direction: row;
}

.countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-digits {
    display: flex;
    gap: 2px;
}

.countdown-digit {
    width: 22px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: bold;
}

.countdown-label {
    font-size: 12px;
    font-weight: bold;
    margin-top: 1px;
}

.countdown-colon {
    align-self: flex-start;
    padding-top: 4px;
    font-weight: bold;
    font-size: 15px;
    margin: 0 4px;
}

.countdown-overdue-label {
    font-size: 14px;
}

.countdown-overdue {
    font-size: 16px;
}

/* Desktop sizes (1024px and up) */
@media (min-width: 1024px) {
    .countdown-digit {
        width: 40px;
        height: 50px;
        font-size: 20px;
    }
    
    .countdown-label {
    font-size: 12px;
        margin-top: 1px;
    }
    
    .countdown-colon {
    align-self: flex-start;
    padding-top: 4px;
        font-size: 20px;
        margin: 0 8px;
    }
    
.countdown-overdue-label {
    font-size: 14px;
}

.countdown-overdue {
    font-size: 16px;
}
}

/* Simple countdown spacing for dashboard */
.countdown-simple {
    padding: 8px 0;
}