/* =====================================================
   CIRCULO MEDICO SAN NICOLAS - SISTEMA DE GESTION
   Main Stylesheet - Material Design
   ===================================================== */

:root {
    /* Primary Colors */
    --primary: #1976D2;
    --primary-light: #42A5F5;
    --primary-dark: #1565C0;
    --primary-rgb: 25, 118, 210;

    /* Secondary Colors */
    --secondary: #424242;
    --secondary-light: #6D6D6D;
    --secondary-dark: #1B1B1B;

    /* Status Colors */
    --success: #4CAF50;
    --success-light: #81C784;
    --warning: #FF9800;
    --warning-light: #FFB74D;
    --error: #F44336;
    --error-light: #E57373;
    --info: #2196F3;
    --info-light: #64B5F6;

    /* Neutral Colors */
    --background: #FAFAFA;
    --surface: #FFFFFF;
    --border: #E0E0E0;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-disabled: #BDBDBD;
    --text-hint: #9E9E9E;

    /* Turno States */
    --turno-pendiente: #9E9E9E;
    --turno-notificado: #2196F3;
    --turno-recordado: #FF9800;
    --turno-confirmado: #4CAF50;
    --turno-cancelado: #F44336;
    --turno-atendido: #673AB7;

    /* Shadows */
    --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    --shadow-4: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--background);
    min-height: 100vh;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

small {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 24px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-1);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-2);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover:not(:disabled) {
    background-color: rgba(var(--primary-rgb), 0.1);
}

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

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

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

.btn-text {
    background: transparent;
    color: var(--primary);
    padding: 10px 16px;
}

.btn-text:hover {
    background: rgba(var(--primary-rgb), 0.1);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 8px;
    border-radius: 50%;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

/* =====================================================
   FORM ELEMENTS
   ===================================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon > .material-icons:first-child {
    position: absolute;
    left: 12px;
    color: var(--text-hint);
    pointer-events: none;
    transition: color var(--transition-fast);
    z-index: 1;
}

.input-with-icon input:focus ~ .material-icons:first-child {
    color: var(--primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

input.filled {
    animation: inputFill 0.3s ease;
}

@keyframes inputFill {
    0% { background-color: var(--surface); }
    50% { background-color: rgba(var(--primary-rgb), 0.1); }
    100% { background-color: var(--surface); }
}

input::placeholder {
    color: var(--text-hint);
}

/* Input with icon - padding must be after general input rules for specificity */
.input-with-icon input[type="text"],
.input-with-icon input[type="email"],
.input-with-icon input[type="password"],
.input-with-icon input[type="number"],
.input-with-icon input[type="tel"],
.input-with-icon input[type="search"] {
    padding-left: 44px;
}

.toggle-password {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-hint);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toggle-password:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-secondary);
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    height: 18px;
    width: 18px;
    background-color: var(--surface);
    border: 2px solid var(--border);
    border-radius: 2px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-container:hover .checkmark {
    border-color: var(--primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark::after {
    content: '';
    display: none;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark::after {
    display: block;
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-md);
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-4);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.login-header h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0;
}

.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--primary);
}

.forgot-password:hover {
    text-decoration: underline;
}

.demo-credentials {
    background: var(--background);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.demo-credentials h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.credentials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.credential-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.credential-btn:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-1);
}

.credential-btn .material-icons {
    font-size: 24px;
    color: var(--primary);
}

.credential-btn strong {
    display: block;
    font-size: 0.75rem;
    color: var(--text-primary);
}

.credential-btn small {
    font-size: 0.625rem;
    color: var(--text-hint);
}

.login-footer {
    text-align: center;
    color: white;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.login-footer p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 0;
}

.pyp-logo {
    height: 84px;
    width: auto;
    opacity: 0.95;
    transition: opacity 0.2s ease;
    filter: brightness(0) invert(1);
}

.pyp-logo:hover {
    opacity: 1;
}

/* =====================================================
   TOAST NOTIFICATIONS
   ===================================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 300px;
    max-width: 450px;
    padding: var(--spacing-md);
    background: var(--secondary);
    color: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-3);
    animation: toastIn 0.3s ease;
}

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--error);
}

.toast-warning {
    background: var(--warning);
}

.toast-info {
    background: var(--info);
}

.toast .material-icons {
    font-size: 24px;
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
}

.toast-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.toast-close:hover {
    opacity: 1;
}

@keyframes toastIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* =====================================================
   LAYOUT - DASHBOARD
   ===================================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar-logo {
    height: 40px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-md);
}

.nav-section-title {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-hint);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px var(--spacing-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(var(--primary-rgb), 0.05);
    color: var(--primary);
}

.nav-item.active {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-item .material-icons {
    font-size: 22px;
}

.nav-item-text {
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-badge {
    margin-left: auto;
    background: var(--error);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.875rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-hint);
    text-transform: capitalize;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
}

/* Top Header */
.top-header {
    height: 64px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    border-radius: 50%;
}

.menu-toggle:hover {
    background: rgba(0,0,0,0.05);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-primary);
}

.header-btn .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: var(--error);
    border-radius: 50%;
}

/* Page Content */
.page-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* =====================================================
   CARDS
   ===================================================== */

.card {
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

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

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border);
    background: var(--background);
}

/* =====================================================
   TABLES
   ===================================================== */

.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--background);
}

tr:hover {
    background: rgba(var(--primary-rgb), 0.02);
}

/* =====================================================
   BADGES & STATUS
   ===================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-pending { background: rgba(158,158,158,0.15); color: var(--turno-pendiente); }
.badge-notified { background: rgba(33,150,243,0.15); color: var(--turno-notificado); }
.badge-reminded { background: rgba(255,152,0,0.15); color: var(--turno-recordado); }
.badge-confirmed { background: rgba(76,175,80,0.15); color: var(--turno-confirmado); }
.badge-cancelled { background: rgba(244,67,54,0.15); color: var(--turno-cancelado); }
.badge-attended { background: rgba(103,58,183,0.15); color: var(--turno-atendido); }

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.pending { background: var(--turno-pendiente); }
.status-dot.notified { background: var(--turno-notificado); }
.status-dot.reminded { background: var(--turno-recordado); }
.status-dot.confirmed { background: var(--turno-confirmado); }
.status-dot.cancelled { background: var(--turno-cancelado); }
.status-dot.attended { background: var(--turno-atendido); }

/* =====================================================
   MODAL
   ===================================================== */

.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: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-4);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    background: var(--background);
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1000px;
}

.modal-fullscreen {
    width: 95%;
    max-width: none;
    height: 95vh;
    max-height: 95vh;
}

/* =====================================================
   LOADING & ANIMATIONS
   ===================================================== */

.rotating {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, var(--border) 25%, var(--background) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* =====================================================
   UTILITIES
   ===================================================== */

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

.text-primary { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

.bg-primary { background-color: var(--primary); color: white; }
.bg-success { background-color: var(--success); color: white; }
.bg-error { background-color: var(--error); color: white; }
.bg-warning { background-color: var(--warning); color: white; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .credentials-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 480px) {
    .form-options {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

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

    .toast {
        min-width: auto;
    }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */

@media print {
    .sidebar,
    .top-header,
    .no-print {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
    }

    .page-content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}