/**
 * PTC GradeAccess - Main Stylesheet
 * Pateros Technological College
 * Colors: Green (#006400), Yellow (#FFD700), White (#FFFFFF)
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --ptc-green: #006400;
    --ptc-green-light: #008000;
    --ptc-green-dark: #004d00;
    --ptc-yellow: #FFD700;
    --ptc-yellow-light: #FFE135;
    --ptc-yellow-dark: #DAA520;
    --ptc-white: #FFFFFF;
    --ptc-gray: #F5F5F5;
    --ptc-gray-dark: #E0E0E0;
    --ptc-text: #333333;
    --ptc-text-light: #666666;
    --ptc-danger: #DC3545;
    --ptc-success: #28A745;
    --ptc-warning: #FFC107;
    --ptc-info: #17A2B8;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--ptc-gray);
    color: var(--ptc-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: var(--ptc-green);
    transition: var(--transition);
}

a:hover {
    color: var(--ptc-green-dark);
}

/* ============================================
   LOGIN PAGE STYLES
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, var(--ptc-gray) 0%, var(--ptc-gray-dark) 100%);
}

.login-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--ptc-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.login-logo {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    object-fit: contain;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ptc-green);
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 0.9rem;
    color: var(--ptc-text-light);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--ptc-text);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--ptc-gray-dark);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--ptc-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--ptc-green);
    box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.1);
}

.form-input::placeholder {
    color: #aaa;
}

/* Hide native browser password reveal button in Edge/IE/others */
.form-input::-ms-reveal,
.form-input::-ms-clear {
    display: none;
}

/* Hide similar native buttons in Safari/Chrome if any */
/* Browser autofill buttons enabled for better password manager support */
/* 
.form-input::-webkit-contacts-auto-fill-button,
.form-input::-webkit-credentials-auto-fill-button {
    visibility: hidden;
    display: none !important;
    pointer-events: none;
}
*/

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ptc-text-light);
    font-size: 1.1rem;
}

.password-toggle:hover {
    color: var(--ptc-green);
}

.forgot-password {
    display: block;
    text-align: right;
    font-size: 0.85rem;
    color: var(--ptc-text-light);
    margin-top: 8px;
}

.forgot-password:hover {
    color: var(--ptc-green);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

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

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

.btn-secondary {
    background-color: var(--ptc-gray-dark);
    color: var(--ptc-text);
}

.btn-secondary:hover {
    background-color: #d0d0d0;
}

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

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

.btn-warning {
    background-color: var(--ptc-warning);
    color: var(--ptc-text);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.login-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--ptc-gray-dark);
}

.login-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.login-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--ptc-text-light);
}

.login-link i {
    color: var(--ptc-green);
}

/* ============================================
   VERIFICATION PAGE
   ============================================ */
.verification-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--ptc-gray) 0%, var(--ptc-gray-dark) 100%);
}

.verification-card {
    background: var(--ptc-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.verification-icon {
    font-size: 4rem;
    color: var(--ptc-green);
    margin-bottom: 20px;
}

.verification-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ptc-green);
    margin-bottom: 10px;
}

.verification-text {
    color: var(--ptc-text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

.code-inputs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
}

.code-input {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    border: 2px solid var(--ptc-gray-dark);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.code-input:focus {
    outline: none;
    border-color: var(--ptc-green);
    box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.1);
}

.resend-code {
    font-size: 0.9rem;
    color: var(--ptc-text-light);
}

.resend-code a {
    color: var(--ptc-green);
    font-weight: 600;
}

/* ============================================
   DASHBOARD LAYOUT
   ============================================ */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--ptc-green);
    color: var(--ptc-white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand-logo {
    width: 90px;
    height: 90px;
    margin-bottom: 10px;
    background: transparent;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.25));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.4s ease;
    object-fit: contain;
}

.sidebar-brand-logo:hover {
    transform: scale(1.08) rotate(5deg);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.4));
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.sidebar-subtitle {
    font-size: 0.8rem;
    opacity: 0.8;
}

.sidebar-user {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    background: var(--ptc-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--ptc-green);
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.user-role {
    font-size: 0.8rem;
    opacity: 0.8;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
    padding: 0 20px 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--ptc-white);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--ptc-yellow);
    color: var(--ptc-white);
}

.nav-item i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.nav-item span {
    font-size: 0.9rem;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
    background: var(--ptc-gray);
}

/* Top Header */
.top-header {
    background: var(--ptc-white);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--ptc-green);
    cursor: pointer;
    display: none;
}

.page-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ptc-green);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-icon {
    position: relative;
    font-size: 1.2rem;
    color: var(--ptc-text);
    cursor: pointer;
    transition: var(--transition);
}

.header-icon:hover {
    color: var(--ptc-green);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--ptc-danger);
    color: var(--ptc-white);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* Content Area */
.content-area {
    padding: 30px;
}

/* ============================================
   CARDS & WIDGETS
   ============================================ */
.card {
    background: var(--ptc-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    margin-bottom: 25px;
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--ptc-gray-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ptc-green);
}

.card-body {
    padding: 25px;
}

.card-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--ptc-gray-dark);
    background: var(--ptc-gray);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--ptc-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

a.stat-card {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

a.stat-card:hover {
    color: inherit;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.green {
    background: rgba(0, 100, 0, 0.1);
    color: var(--ptc-green);
}

.stat-icon.yellow {
    background: rgba(255, 215, 0, 0.2);
    color: var(--ptc-yellow-dark);
}

.stat-icon.blue {
    background: rgba(23, 162, 184, 0.1);
    color: var(--ptc-info);
}

.stat-icon.red {
    background: rgba(220, 53, 69, 0.1);
    color: var(--ptc-danger);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ptc-text);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--ptc-text-light);
    margin-top: 5px;
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--ptc-gray-dark);
}

.data-table th {
    background: var(--ptc-green);
    color: var(--ptc-white);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table th:first-child {
    border-radius: var(--border-radius) 0 0 0;
}

.data-table th:last-child {
    border-radius: 0 var(--border-radius) 0 0;
}

.data-table tbody tr:hover {
    background: var(--ptc-gray);
}

.data-table td {
    font-size: 0.9rem;
}

/* Grade Colors */
.grade-passed {
    color: var(--ptc-success);
    font-weight: 600;
}

.grade-failed {
    color: var(--ptc-danger);
    font-weight: 600;
}

.grade-pending {
    color: var(--ptc-text-light);
}

/* ============================================
   BADGES & LABELS
   ============================================ */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--ptc-success);
}

.badge-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--ptc-danger);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--ptc-warning);
}

.badge-info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--ptc-info);
}

.badge-primary {
    background: rgba(0, 100, 0, 0.1);
    color: var(--ptc-green);
}

/* ============================================
   ALERTS & MESSAGES
   ============================================ */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.3);
    color: var(--ptc-success);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: var(--ptc-danger);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: #856404;
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border: 1px solid rgba(23, 162, 184, 0.3);
    color: var(--ptc-info);
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--ptc-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--ptc-gray-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ptc-green);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--ptc-text-light);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--ptc-danger);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--ptc-gray-dark);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Modal Animations & Result Styles */
.fade-in {
    animation: ptc-fade-in 0.3s ease-out;
}

@keyframes ptc-fade-in {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.result-modal {
    background: var(--ptc-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    width: 90%;
    margin: auto;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.result-icon-container {
    padding: 20px 0;
}

/* ============================================
   FORMS
   ============================================ */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--ptc-gray-dark);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--ptc-white);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--ptc-green);
}

.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--ptc-gray-dark);
    border-radius: var(--border-radius);
    font-size: 1rem;
    resize: vertical;
    min-height: 100px;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--ptc-green);
}


/* ============================================
   ULTRA-PREMIUM SELECT COMPONENT
   ============================================ */
.premium-select-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 4px;
}

.premium-select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 14px 18px;
    background: var(--ptc-white);
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1rem;
    color: var(--ptc-text);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
}

.premium-select-trigger:hover {
    border-color: var(--ptc-green-light);
    box-shadow: 0 4px 15px rgba(0, 100, 0, 0.08);
    transform: translateY(-1px);
}

.premium-select-trigger:active {
    transform: scale(0.97);
}

.premium-select-wrapper.active .premium-select-trigger {
    border-color: var(--ptc-green);
    box-shadow: 0 0 0 4px rgba(0, 100, 0, 0.12);
    background: var(--ptc-white);
}

.trigger-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trigger-content i {
    color: var(--ptc-green);
    font-size: 1.1rem;
    opacity: 0.8;
}

.premium-select-trigger .arrow {
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    color: var(--ptc-text-light);
    font-size: 0.85rem;
}

.premium-select-wrapper.active .arrow {
    transform: rotate(180deg);
    color: var(--ptc-green);
}

.premium-select-options {
    position: absolute;
    top: calc(100% + 10px); /* 10px floating gap */
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 12px;
    /* Soft multi-layered shadow for elevation */
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1), 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 20px 25px -5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(255, 255, 255, 0.4);
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
}

.premium-select-wrapper.active .premium-select-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Staggered Animation for Options */
.premium-option {
    padding: 12px 15px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    border-radius: 8px;
    margin-bottom: 4px;
    opacity: 0;
    transform: translateX(-10px);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.premium-select-wrapper.active .premium-option {
    opacity: 1;
    transform: translateX(0);
    transition-delay: var(--delay, 0s);
}

.option-left-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.option-text-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Rich Indicators for Premium UI */
.avatar-indicator {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(0, 100, 0, 0.08);
    color: var(--ptc-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.5);
}
.status-dot.regular { background: #10B981; }
.status-dot.irregular { background: #F59E0B; }

.badge-indicator {
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.04);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--ptc-text-light);
    border: 1px solid rgba(0,0,0,0.05);
}

.premium-option:hover .avatar-indicator {
    background: var(--ptc-white);
    color: var(--ptc-green);
    transform: scale(1.05) rotate(-5deg);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.premium-option.selected .avatar-indicator {
    background: var(--ptc-green);
    color: var(--ptc-white);
}

.premium-option:hover .badge-indicator {
    background: var(--ptc-white);
    color: var(--ptc-green);
    border-color: rgba(0, 100, 0, 0.1);
}

.option-main {
    display: block;
    font-weight: 600;
}

.option-sub {
    display: block;
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 2px;
}

.premium-option-check {
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    color: var(--ptc-green);
    font-size: 0.9rem;
}

.premium-option.selected .premium-option-check {
    opacity: 1;
    transform: scale(1);
}

/* Selection Pulse Animation */
@keyframes selectPulse {
    0% { background-color: rgba(0, 100, 0, 0.12); transform: scale(1); }
    50% { background-color: rgba(0, 100, 0, 0.25); transform: scale(0.98); }
    100% { background-color: rgba(0, 100, 0, 0.12); transform: scale(1); }
}

.premium-option.pulse {
    animation: selectPulse 0.4s ease-out;
}

.premium-option:last-child {
    margin-bottom: 0;
}

.premium-option:hover {
    background: rgba(0, 100, 0, 0.04);
    color: var(--ptc-green);
    padding-left: 20px;
}

.premium-option:hover .option-sub {
    color: var(--ptc-text);
    opacity: 0.7;
}

.premium-option:hover .premium-option-check {
    color: var(--ptc-green);
    opacity: 0.8;
}

.premium-option.selected {
    background: rgba(0, 100, 0, 0.08); /* subtle, not aggressive */
    color: var(--ptc-green);
    font-weight: 700;
}

.premium-placeholder {
    color: #999;
}

/* Enhanced Search in Dropdown */
.premium-select-search {
    padding: 8px 10px 12px 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 8px;
    position: sticky;
    top: 0;
    background: transparent;
    z-index: 10;
}

.premium-select-search input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.premium-select-search input:focus {
    border-color: var(--ptc-green);
    box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.08);
}

/* Empty State */
.premium-empty-state {
    padding: 30px 10px;
    text-align: center;
    color: #999;
}

.premium-empty-state i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

/* Custom Scrollbar for Dropdown */
.premium-select-options::-webkit-scrollbar {
    width: 4px;
}

.premium-select-options::-webkit-scrollbar-track {
    background: transparent;
}

.premium-select-options::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.premium-select-options::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ============================================
   PRINT STYLES (FOR PDF)
   ============================================ */
@media print {
    .sidebar,
    .top-header,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-area {
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        background: white;
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .login-card,
    .verification-card {
        padding: 30px 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-area {
        padding: 20px;
    }
    
    .top-header {
        padding: 15px 20px;
    }
    
    .page-title {
        font-size: 1.1rem;
    }
    
    .data-table {
        font-size: 0.85rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .code-input {
        width: 40px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--ptc-white);
    animation: spin 1s ease-in-out infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.gap-2 {
    gap: 1rem;
}

.w-100 {
    width: 100%;
}

.hidden {
    display: none !important;
}

/* ============================================
   ENHANCED MOBILE STYLES FOR ADMIN PAGES
   ============================================ */

/* Mobile Sidebar */
.sidebar.mobile-open {
    transform: translateX(0);
    z-index: 2001;
}

.sidebar-overlay {
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.5);
}

/* Mobile Forms */
@media (max-width: 768px) {
    .form-input,
    .form-label {
        font-size: 16px;
    }
    
    form {
        display: flex !important;
        flex-direction: column;
        gap: 10px;
    }
    
    /* Table Improvements */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .data-table {
        min-width: 600px;
        font-size: 0.8rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 6px;
    }
    
    .data-table th {
        font-size: 0.75rem;
        text-transform: uppercase;
    }
    
    /* Button Improvements */
    .btn {
        padding: 10px 16px;
        font-size: 0.95rem;
        min-height: 44px;
    }
    
    .btn-sm {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    /* Card Improvements */
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-header > div:last-child {
        width: 100%;
        margin-top: 10px;
    }
    
    /* Pagination */
    .card-footer {
        flex-wrap: wrap;
        justify-content: center;
        padding: 10px;
    }
    
    .card-footer .btn {
        margin: 3px;
        flex: 1;
        min-width: 50px;
        padding: 8px;
    }
    
    /* Badge improvements */
    .badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    /* Header */
    .header-left,
    .header-right {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1rem;
    }
    
    .card {
        border-radius: 6px;
    }
    
    .card-header {
        padding: 15px;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .data-table {
        min-width: 500px;
        font-size: 0.75rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 6px 4px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .btn-sm {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
    
    /* Stack actions vertically on mobile */
    td:last-child {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    
    /* Form improvements */
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-input {
        font-size: 16px;
        padding: 12px;
    }
    
    /* Alert improvements */
    .alert {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    /* Stats grid */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-card {
        padding: 15px;
        gap: 12px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}