/* North MVP Design System - Adapted for PHP */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* CSS Variables - North Design System */
:root {
  /* Cream background for warmth */
  --background: hsl(34, 100%, 97%);
  --foreground: hsl(230, 57%, 20%);

  /* Cards with subtle warmth */
  --card: hsl(0, 0%, 100%);
  --card-foreground: hsl(230, 57%, 20%);

  /* Popovers */
  --popover: hsl(0, 0%, 100%);
  --popover-foreground: hsl(230, 57%, 20%);

  /* Primary - Deep blue */
  --primary: hsl(230, 57%, 20%);
  --primary-foreground: hsl(0, 0%, 100%);
  --primary-light: hsl(230, 50%, 35%);
  --primary-lighter: hsl(230, 45%, 92%);

  /* Secondary - Orange */
  --secondary: hsl(23, 75%, 49%);
  --secondary-foreground: hsl(0, 0%, 100%);

  /* Muted states */
  --muted: hsl(34, 50%, 94%);
  --muted-foreground: hsl(230, 20%, 50%);

  /* Accent - Golden yellow */
  --accent: hsl(40, 100%, 69%);
  --accent-foreground: hsl(230, 57%, 20%);
  --accent-light: hsl(40, 100%, 85%);

  /* Success - Gentle green */
  --success: hsl(145, 60%, 45%);
  --success-foreground: hsl(145, 80%, 20%);
  --success-light: hsl(145, 65%, 88%);

  /* Warning - Golden yellow */
  --warning: hsl(40, 100%, 69%);
  --warning-foreground: hsl(230, 57%, 20%);
  --warning-light: hsl(40, 100%, 92%);

  /* Destructive */
  --destructive: hsl(0, 70%, 60%);
  --destructive-foreground: hsl(0, 0%, 100%);

  /* Borders and inputs */
  --border: hsl(34, 50%, 88%);
  --input: hsl(34, 50%, 90%);
  --ring: hsl(230, 57%, 20%);

  /* Rounded, soft feel */
  --radius: 0.75rem;

  /* Shadows for depth */
  --shadow-soft: 0 2px 8px hsla(210, 15%, 20%, 0.04);
  --shadow-medium: 0 4px 16px hsla(210, 15%, 20%, 0.08);
  --shadow-strong: 0 8px 32px hsla(210, 15%, 20%, 0.12);

  /* Transitions */
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-gentle: all 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--foreground);
}

h1 {
    font-size: 2.25rem;
    line-height: 1.2;
}

h2 {
    font-size: 1.875rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
    line-height: 1.4;
}

h4 {
    font-size: 1.25rem;
    line-height: 1.4;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header - North Style */
.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    border-bottom: 1px solid var(--border);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 2rem;
    text-decoration: none;
    color: var(--foreground);
}

.logo-img {
    height: 2.5rem;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.logo-text {
    color: var(--foreground);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
}

.main-nav a {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    color: var(--muted-foreground);
}

.main-nav a:hover {
    color: var(--foreground);
    background-color: var(--muted);
}

.main-nav a.active {
    background-color: var(--primary-lighter);
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-foreground);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.user-avatar:hover {
    opacity: 0.8;
}

/* Auth Cards */
.auth-card {
    max-width: 400px;
    margin: 3rem auto;
    background: var(--card);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border);
}

.auth-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.auth-logo-img {
    height: 3rem;
    width: auto;
    object-fit: contain;
}

.auth-card h1 {
    margin-bottom: 1.5rem;
    color: var(--foreground);
    text-align: center;
}

/* Forms */
.form-card {
    background: var(--card);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--foreground);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 0.67);
    font-size: 0.9375rem;
    font-family: inherit;
    background-color: var(--card);
    color: var(--foreground);
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    cursor: pointer;
}

.form-control {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 0.67);
    font-size: 0.9375rem;
    font-family: inherit;
    background-color: var(--card);
    color: var(--foreground);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: calc(var(--radius) * 0.67);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: var(--transition-smooth);
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

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

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

.btn-secondary {
    background-color: var(--card);
    color: var(--foreground);
    border: 1px solid var(--border);
}

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

.btn-danger {
    background-color: var(--destructive);
    color: var(--destructive-foreground);
}

.btn-danger:hover {
    background-color: hsl(0, 70%, 55%);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: calc(var(--radius) * 0.67);
    margin-bottom: 1.25rem;
    border: 1px solid;
}

.alert-error {
    background-color: hsl(0, 70%, 95%);
    color: var(--destructive);
    border-color: hsl(0, 70%, 85%);
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success);
    border-color: hsl(145, 60%, 75%);
}

.alert-info {
    background-color: var(--primary-lighter);
    color: var(--primary);
    border-color: var(--primary-lighter);
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1,
.page-header h2 {
    margin: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition-smooth);
}

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

.stat-card h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Sections */
.section {
    background: var(--card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.section h2 {
    margin-bottom: 1.25rem;
    color: var(--foreground);
}

.section h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
}

table thead {
    background-color: var(--muted);
}

table th,
table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table th {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--foreground);
}

table tr:hover {
    background-color: var(--muted);
}

table tr:last-child td {
    border-bottom: none;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    transition: var(--transition-smooth);
}

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

.card h3,
.card h4 {
    margin-bottom: 0.75rem;
    color: var(--foreground);
}

.card p {
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

/* Action Grid */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.action-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
    display: block;
}

.action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    text-decoration: none;
}

.action-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.action-card p {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0;
}

.tab {
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    color: var(--muted-foreground);
    border-bottom: 3px solid transparent;
    transition: var(--transition-smooth);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: -2px;
}

.tab:hover {
    color: var(--foreground);
    background-color: var(--muted);
    border-radius: calc(var(--radius) * 0.67) calc(var(--radius) * 0.67) 0 0;
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* Tags */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--muted);
    color: var(--foreground);
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border);
}

.tag-remove {
    background: none;
    border: none;
    color: var(--destructive);
    cursor: pointer;
    font-size: 1.125rem;
    padding: 0;
    width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.tag-remove:hover {
    background-color: rgba(231, 76, 60, 0.1);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: calc(var(--radius) * 0.5);
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success);
}

.badge-info {
    background-color: var(--primary-lighter);
    color: var(--primary);
}

/* Notes */
.notes-list {
    margin-top: 1.25rem;
}

.note-card {
    background: var(--card);
    padding: 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    transition: var(--transition-smooth);
}

.note-card:hover {
    box-shadow: var(--shadow-medium);
}

.note-card.private {
    border-left: 4px solid var(--destructive);
}

.note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.note-meta {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--muted-foreground);
}

.note-content {
    color: var(--foreground);
    line-height: 1.6;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

/* Survey */
.question-item {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    align-items: center;
}

.question-item .question-input {
    flex: 1;
}

.survey-answer {
    background: var(--muted);
    padding: 1rem;
    border-radius: calc(var(--radius) * 0.67);
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.survey-answer strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

/* Text Utilities */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--muted-foreground);
}

/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 60;
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.hamburger-line {
    width: 2rem;
    height: 3px;
    background-color: var(--foreground);
    border-radius: 10px;
    transition: var(--transition-smooth);
    transform-origin: center;
}

.mobile-menu-open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: nowrap;
        height: 4rem;
        padding: 0 1rem;
        position: relative;
    }
    
    .logo {
        margin-right: auto;
        flex-shrink: 0;
        order: 1;
    }
    
    .logo-img {
        height: 2rem;
    }
    
    .header-actions {
        margin-left: 0.5rem;
        margin-top: 0;
        flex-shrink: 0;
        order: 2;
        margin-right: 0.5rem;
    }
    
    .header-actions .user-avatar {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 0.75rem;
        margin-right: 0;
    }
    
    .header-actions .btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.625rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
        margin-left: 0;
        order: 3;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--card);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-medium);
        flex-direction: column;
        align-items: stretch;
        padding: 0;
        margin-top: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.3s ease-out, opacity 0.3s ease-out, padding 0.3s ease-out;
        z-index: 50;
        flex: none;
        order: 4;
    }
    
    .main-nav.mobile-nav-open {
        max-height: 500px;
        opacity: 1;
        padding: 1rem 0;
    }
    
    .main-nav a {
        display: block;
        padding: 0.75rem 1.5rem;
        width: 100%;
        border-radius: 0;
        text-align: left;
    }
    
    .main-nav a:hover {
        background-color: var(--muted);
    }
    
    .dashboard-header,
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 1.875rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 1rem;
    }
}