/* ===== MOBILE RESPONSIVENESS & UX ENHANCEMENTS ===== */

/* Mobile-Optimized Directory Cards */
@media (max-width: 768px) {
    /* Stack directory cards on mobile */
    .directory-card-col {
        width: 100% !important;
        max-width: 100%;
    }
    
    /* Make cards full width on mobile */
    .col-md-6.mb-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    /* Improve navbar mobile spacing */
    .navbar-nav {
        padding-top: 0.5rem;
    }
    
    .navbar-nav .nav-item {
        margin-bottom: 0.25rem;
    }
    
    /* Mobile search bar */
    .navbar-nav form.d-flex {
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .navbar-nav form.d-flex input {
        width: 100% !important;
        max-width: none !important;
    }
    
    /* Mobile notification dropdown */
    .notification-dropdown {
        min-width: 100vw !important;
        margin-left: -1rem !important;
    }
}

/* Horizontal Scroll for Admin Tables on Mobile */
@media (max-width: 992px) {
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .admin-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Ensure tables don't break on small screens */
    .table {
        min-width: 600px;
    }
    
    /* Stack filter selects on mobile */
    .col-md-4.mb-2 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 1rem !important;
    }
}

/* ===== PROFILE PICTURE ENHANCEMENTS ===== */

/* Larger avatars in directory */
.directory-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--icaa-blue);
    margin-bottom: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.directory-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(43, 108, 176, 0.3);
}

/* Avatar upload prominence */
.avatar-upload-section {
    background: linear-gradient(135deg, rgba(43, 108, 176, 0.1), rgba(74, 144, 226, 0.05));
    border: 2px dashed var(--icaa-blue);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.avatar-upload-section:hover {
    background: linear-gradient(135deg, rgba(43, 108, 176, 0.15), rgba(74, 144, 226, 0.1));
    border-color: var(--icaa-blue-light);
    transform: translateY(-2px);
}

.avatar-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--icaa-blue);
    margin: 0 auto 1rem;
    display: block;
}

.avatar-upload-icon {
    font-size: 3rem;
    color: var(--icaa-blue);
    margin-bottom: 1rem;
}

.avatar-upload-text {
    color: #6c757d;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ===== SMOOTH TRANSITIONS ===== */

/* Button transitions */
.btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

/* Card transitions */
.card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Link transitions */
a {
    transition: color 0.2s ease, transform 0.2s ease;
}

/* Nav link hover effects */
.nav-link {
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--icaa-blue-light);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Form input focus transitions */
.form-control {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Badge hover effects */
.badge {
    transition: transform 0.2s ease;
}

.badge:hover {
    transform: scale(1.05);
}

/* ===== EMPTY STATES ===== */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #6c757d;
}

.empty-state-icon {
    font-size: 5rem;
    color: var(--icaa-blue);
    opacity: 0.3;
    margin-bottom: 1.5rem;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--icaa-navy);
    margin-bottom: 1rem;
}

.empty-state-message {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.empty-state-action {
    margin-top: 1.5rem;
}

/* Specific empty state variations */
.empty-state-events {
    background: linear-gradient(135deg, rgba(43, 108, 176, 0.03), rgba(74, 144, 226, 0.03));
    border-radius: 12px;
}

.empty-state-ideas {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.05), rgba(255, 152, 0, 0.05));
    border-radius: 12px;
}

.empty-state-messages {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.05), rgba(25, 135, 84, 0.05));
    border-radius: 12px;
}

.empty-state-forum {
    background: linear-gradient(135deg, rgba(111, 66, 193, 0.05), rgba(102, 16, 242, 0.05));
    border-radius: 12px;
}

/* ===== CONSISTENT SPACING ===== */

/* Standardize section spacing */
.section-header {
    margin-bottom: 2rem;
}

.section-content {
    margin-bottom: 3rem;
}

/* Consistent card spacing */
.card {
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Form group spacing */
.form-group,
.mb-3 {
    margin-bottom: 1.5rem;
}

/* Button group spacing */
.btn-group .btn {
    margin-right: 0.5rem;
}

.btn-group .btn:last-child {
    margin-right: 0;
}

/* List spacing */
.list-group-item {
    padding: 1rem 1.25rem;
}

/* ===== LOADING STATES ===== */

.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--icaa-blue);
    animation: spin 0.6s linear infinite;
}

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

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--icaa-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Skip to content link */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1rem;
    background-color: var(--icaa-blue);
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.skip-to-main:focus {
    left: 50%;
    transform: translateX(-50%);
    top: 1rem;
}

/* ===== TOUCH-FRIENDLY MOBILE ELEMENTS ===== */

@media (max-width: 768px) {
    /* Larger touch targets */
    .btn {
        padding: 0.75rem 1.25rem;
        min-height: 44px;
    }
    
    .btn-sm {
        padding: 0.5rem 1rem;
        min-height: 38px;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        min-height: 44px;
    }
    
    /* Form inputs */
    .form-control {
        padding: 0.75rem 1rem;
        min-height: 44px;
        font-size: 16px; /* Prevents iOS zoom */
    }
    
    .form-select {
        padding: 0.75rem 2.5rem 0.75rem 1rem;
        min-height: 44px;
        font-size: 16px;
    }
    
    /* Checkbox and radio bigger touch targets */
    .form-check-input {
        width: 1.5rem;
        height: 1.5rem;
        margin-top: 0.125rem;
    }
    
    .form-check-label {
        padding-left: 0.5rem;
    }
}

/* ===== UTILITY CLASSES ===== */

.mb-section {
    margin-bottom: 3rem;
}

.mt-section {
    margin-top: 3rem;
}

.p-section {
    padding: 2rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--icaa-blue), var(--icaa-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}