/*
Theme Name: CJG Transfer Hub
Description: Modern file transfer and client portal system
Version: 2.0.0
*/

/* Import Urbanist Font - Elegant & Sleek */
@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@300;400;500;600;700;800;900&display=swap');

/* ==========================================================================
   Modern Design System
   ========================================================================== */

:root {
    /* Cookie Jar Golf Green Palette */
    --primary: #1E7B34;
    --primary-dark: #165827;
    --primary-light: #2E9B4A;
    --secondary: #2A5934;
    --success: #34C759;
    --warning: #FF9500;
    --error: #FF3B30;

    /* Neutrals */
    --black: #000000;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F7;
    --gray-200: #E5E5EA;
    --gray-300: #D1D1D6;
    --gray-400: #C7C7CC;
    --gray-500: #AEAEB2;
    --gray-600: #8E8E93;
    --gray-700: #636366;
    --gray-800: #48484A;
    --gray-900: #1C1C1E;

    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --bg-tertiary: #FAFAFA;
    --bg-elevated: #FFFFFF;

    /* Text Colors */
    --text-primary: #1C1C1E;
    --text-secondary: #48484A;
    --text-tertiary: #8E8E93;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);

    /* Blur */
    --blur-sm: blur(8px);
    --blur-md: blur(16px);
    --blur-lg: blur(24px);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-system: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Monaco, 'Courier New', monospace;

    /* Force light mode only */
    color-scheme: light only;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

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

body {
    font-family: var(--font-system);
    font-size: 17px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    font-weight: 400;
    letter-spacing: -0.01em;
    color-scheme: light only;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.025em;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -0.04em;
}

h2 {
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

h3 {
    font-size: 28px;
    font-weight: 600;
}

h4 {
    font-size: 22px;
    font-weight: 600;
}

h5 {
    font-size: 19px;
    font-weight: 500;
}

h6 {
    font-size: 17px;
    font-weight: 500;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-size: 17px;
    font-weight: 500;
    line-height: 1.4;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-system);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-large {
    padding: 14px 28px;
    font-size: 19px;
    font-weight: 600;
}

.btn-small {
    padding: 6px 14px;
    font-size: 15px;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 17px;
    font-family: var(--font-system);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
    min-height: 64px;
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.main-navigation a:not(.btn) {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.main-navigation a:not(.btn):hover {
    color: var(--text-primary);
}

/* ==========================================================================
   Grid
   ========================================================================== */

.grid {
    display: grid;
    gap: var(--space-lg);
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

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

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

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

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

.slide-in {
    animation: slideIn var(--transition-base) ease-out;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.progress {
    width: 100%;
    height: 6px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

/* ==========================================================================
   Mobile Navigation - Header
   ========================================================================== */

.mobile-menu-toggle-header,
.mobile-signin-btn {
    display: none;
}

.mobile-menu-toggle-header {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle-header .hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle-header.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle-header.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle-header.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu-overlay-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1003;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay-header.active {
    display: block;
    opacity: 1;
}

.mobile-menu-header-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background: white;
    z-index: 1004;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-menu-header-nav.active {
    right: 0;
}

.mobile-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.mobile-menu-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.mobile-menu-logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.mobile-menu-close-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-200);
    border-radius: 50%;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    line-height: 1;
}

.mobile-menu-close-btn:hover {
    background: var(--gray-300);
}

.mobile-menu-links {
    flex: 1;
    padding: 16px 0;
}

.mobile-menu-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-links li {
    margin: 0;
}

.mobile-menu-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.mobile-menu-links a:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.mobile-menu-links .nav-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.mobile-menu-foot {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* ==========================================================================
   Mobile Responsive - Global
   ========================================================================== */

@media (max-width: 768px) {
    /* Header mobile adjustments */
    .desktop-nav {
        display: none !important;
    }

    .mobile-menu-toggle-header {
        display: flex;
    }

    .mobile-signin-btn {
        display: inline-flex;
    }

    .mobile-menu-header-nav {
        display: flex;
    }

    .site-header .container {
        padding-top: var(--space-sm);
        padding-bottom: var(--space-sm);
    }

    .site-branding .site-logo img {
        height: 40px !important;
    }

    .site-branding .site-logo span {
        font-size: 20px !important;
    }

    /* Typography adjustments */
    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 26px;
    }

    h3 {
        font-size: 22px;
    }

    /* Container padding */
    .container,
    .container-wide {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    /* Button adjustments */
    .btn-large {
        padding: 12px 24px;
        font-size: 17px;
    }

    /* Card adjustments */
    .card {
        padding: var(--space-lg);
    }

    /* Form adjustments */
    .form-control {
        padding: 10px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Login modal mobile */
    .login-modal-content {
        padding: 32px 24px;
        width: 95%;
        max-height: 90vh;
        overflow-y: auto;
    }
}