/* Mobile First Responsive Design */

/* Extra Small Devices (Portrait Phones) */
@media (max-width: 575.98px) {
    :root {
        --spacing-xs: 2px;
        --spacing-sm: 6px;
        --spacing-md: 12px;
        --spacing-lg: 18px;
        --spacing-xl: 24px;
        --spacing-2xl: 36px;
        --font-size-xs: 11px;
        --font-size-sm: 13px;
        --font-size-base: 15px;
        --font-size-lg: 17px;
        --font-size-xl: 19px;
        --font-size-2xl: 22px;
        --font-size-3xl: 26px;
    }

    .header-content {
        padding: 0 var(--spacing-md);
    }

    .logo span {
        display: none;
    }

    .user-button span {
        display: none;
    }

    .landing-container {
        padding: var(--spacing-lg);
    }

    .landing-logo h1 {
        font-size: 2rem;
    }

    .landing-buttons {
        gap: var(--spacing-sm);
    }

    .auth-container {
        padding: var(--spacing-md);
    }

    .auth-form {
        padding: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    /* User Dashboard Mobile */
    .user-container {
        flex-direction: column;
    }

    .user-sidebar {
        width: 100%;
        padding: var(--spacing-md);
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .user-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: var(--spacing-xs);
    }

    .user-nav .nav-item {
        white-space: nowrap;
        flex-shrink: 0;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .user-main {
        padding: var(--spacing-md);
    }

    .profile-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .profile-avatar {
        width: 120px;
        height: 120px;
        font-size: 48px;
        align-self: center;
    }

    /* Admin Dashboard Mobile */
    .admin-container {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .admin-sidebar.collapsed {
        width: 100%;
    }

    .sidebar-header {
        justify-content: center;
    }

    .sidebar-toggle {
        display: none;
    }

    .admin-nav {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .admin-nav .nav-item {
        white-space: nowrap;
        flex-shrink: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        border-right: none;
        border-bottom: 3px solid transparent;
    }

    .admin-nav .nav-item:hover,
    .admin-nav .nav-item.active {
        background: transparent;
        border-bottom-color: var(--primary-color);
        border-right: none;
    }

    .admin-main {
        padding: var(--spacing-md);
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
    }

    .page-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .search-box input {
        width: 100%;
    }

    .member-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .member-avatar {
        width: 80px;
        height: 80px;
        align-self: center;
    }

    .calendar-grid {
        gap: 0;
    }

    .calendar-day {
        min-height: 50px;
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    .modal-content {
        width: 95vw;
        margin: var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md);
        max-height: 50vh;
    }

    .modal-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .attendance-list {
        max-height: 300px;
    }

    .attendance-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .attendance-member {
        width: 100%;
    }

    .toast-container {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }

    .toast {
        min-width: auto;
    }
}

/* Small Devices (Landscape Phones) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .auth-form {
        max-width: 400px;
    }

    .signup-form {
        max-width: 500px;
    }

    .user-container {
        flex-direction: column;
    }

    .user-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .user-nav {
        flex-direction: row;
        justify-content: center;
    }

    .admin-sidebar {
        width: 200px;
    }

    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .members-list {
        grid-template-columns: 1fr;
    }

    .calendar-day {
        min-height: 55px;
    }

    .modal-content {
        width: 90vw;
    }
}

/* Medium Devices (Tablets) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .landing-buttons {
        flex-direction: row;
        justify-content: center;
        max-width: none;
    }

    .auth-form {
        max-width: 450px;
    }

    .signup-form {
        max-width: 550px;
    }

    .user-sidebar {
        width: 200px;
    }

    .admin-sidebar {
        width: 220px;
    }

    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .members-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .profile-card {
        flex-direction: row;
    }

    .calendar-day {
        min-height: 60px;
    }

    .modal-content {
        width: 80vw;
        max-width: 600px;
    }

    .attendance-item {
        flex-direction: row;
        align-items: center;
    }
}

/* Large Devices (Desktops) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .auth-form {
        max-width: 500px;
    }

    .signup-form {
        max-width: 600px;
    }

    .user-sidebar {
        width: 250px;
    }

    .admin-sidebar {
        width: 260px;
    }

    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .members-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal-content {
        width: 70vw;
        max-width: 700px;
    }
}

/* Extra Large Devices (Large Desktops) */
@media (min-width: 1200px) {
    .header-content {
        max-width: 1400px;
    }

    .landing-container {
        max-width: 1400px;
        margin: 0 auto;
    }

    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .members-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .modal-content {
        width: 60vw;
        max-width: 800px;
    }
}

/* Specific Responsive Utilities */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: block !important;
    }

    .flex-mobile {
        display: flex !important;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }

    .show-desktop {
        display: block !important;
    }
}

/* Print Styles */
@media print {
    .app-header,
    .user-sidebar,
    .admin-sidebar,
    .modal,
    .toast-container,
    .btn,
    button {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .main-content {
        margin-top: 0 !important;
    }

    .user-main,
    .admin-main {
        padding: 0 !important;
    }

    .page {
        display: block !important;
    }

    .admin-page,
    .user-page {
        display: block !important;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo i {
        transform: scale(0.9);
    }

    .stat-icon {
        transform: scale(0.95);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .animate-fadeIn,
    .animate-slideIn,
    .animate-pulse {
        animation: none !important;
    }
}

/* Dark Mode Adjustments for Mobile */
@media (max-width: 768px) {
    .dark-theme .modal-content {
        background: var(--bg-secondary);
    }

    .dark-theme .toast {
        background: var(--bg-secondary);
        border-color: var(--border-color);
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 600px) {
    .landing-container {
        padding: var(--spacing-md);
    }

    .landing-logo i {
        font-size: 60px;
    }

    .landing-logo h1 {
        font-size: 2rem;
    }

    .modal-body {
        max-height: 40vh;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .nav-item {
        min-height: 44px;
    }

    .calendar-day {
        min-height: 50px;
    }

    .attendance-checkbox {
        width: 24px;
        height: 24px;
    }

    .theme-toggle,
    .language-toggle,
    .sidebar-toggle,
    .calendar-nav,
    .modal-close {
        width: 44px;
        height: 44px;
    }
}

/* Hover Capabilities */
@media (hover: hover) and (pointer: fine) {
    .btn:hover {
        transform: translateY(-2px);
    }

    .nav-item:hover {
        transform: translateX(5px);
    }

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

    .stat-card:hover {
        transform: translateY(-5px);
    }
}