/* ============================================
   DecisionOS - Smart Student Decision Assistant
   Professional Mobile-First Design
   ============================================ */

:root {
    /* Color Palette - Warm & Encouraging */
    --primary: #FF6B4A;
    --primary-dark: #E55539;
    --primary-light: #FF8B6F;
    --secondary: #1A2B4A;
    --secondary-light: #2A3B5A;
    --accent: #FFD93D;
    --success: #4CAF93;
    --warning: #FF9F43;
    --danger: #E74C3C;
    
    /* Neutral Colors */
    --bg-primary: #FFF8F3;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --text-primary: #1A2B4A;
    --text-secondary: #5A6B7A;
    --text-muted: #8A9BAA;
    --border: #E8DCD0;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 43, 74, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 43, 74, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 43, 74, 0.12);
    --shadow-hover: 0 12px 40px rgba(255, 107, 74, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    /* Typography */
    --font-display: 'Fraunces', serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

[data-theme="dark"] {
    --bg-primary: #0F1419;
    --bg-secondary: #1A2028;
    --bg-card: #1F2937;
    --text-primary: #F3F4F6;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;
    --border: #2A3441;
    --secondary: #3B4B6A;
    --secondary-light: #4B5B7A;
}

/* ============================================
   Global Styles
   ============================================ */

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ============================================
   Loading Screen
   ============================================ */

.loading-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeOut 0.5s ease 2s forwards;
}

.loading-content {
    text-align: center;
}

.logo-animate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: slideUp 0.6s ease;
}

.logo-animate .logo-icon {
    font-size: 3rem;
    animation: bounce 1s ease infinite;
}

.logo-animate .logo-text {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.02em;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: white;
    border-radius: 2px;
    animation: loading 2s ease;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ============================================
   App Container
   ============================================ */

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

.main-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content.hidden {
    display: none;
}

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

.app-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-sm) var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

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

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.25rem;
}

.icon-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.streak-badge {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, #FF6B4A 0%, #FF8B6F 100%);
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.streak-icon {
    font-size: 1rem;
}

/* ============================================
   Main Content Area
   ============================================ */

.app-main {
    flex: 1;
    padding: var(--spacing-md);
    padding-bottom: 80px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

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

/* ============================================
   Home View
   ============================================ */

.welcome-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.welcome-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.welcome-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.stat-icon {
    font-size: 2rem;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Decision Buttons */
.decision-buttons {
    display: grid;
    gap: var(--spacing-md);
}

.decision-btn {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.decision-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 74, 0.1), transparent);
    transition: left 0.5s ease;
}

.decision-btn:hover::before {
    left: 100%;
}

.decision-btn:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-hover);
}

.decision-btn:active {
    transform: translateX(2px);
}

.btn-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.btn-text {
    flex: 1;
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-primary);
}

.btn-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.decision-btn:hover .btn-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   Chat View
   ============================================ */

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-weight: 500;
}

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

.chat-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    min-height: 300px;
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    animation: messageSlide 0.3s ease;
}

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

.message.bot {
    justify-content: flex-start;
}

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 80%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.message.bot .message-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.message.user .message-content {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.message-text {
    margin-bottom: 0.5rem;
}

.message-roadmap {
    margin-top: var(--spacing-sm);
}

.roadmap-step {
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    border-left: 3px solid var(--primary);
}

.roadmap-step strong {
    color: var(--primary);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-sm);
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s ease infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

/* Chat Options */
.chat-options {
    display: grid;
    gap: var(--spacing-sm);
}

.option-btn {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
}

.option-btn:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    transform: translateX(4px);
}

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

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

.view-header h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.primary-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

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

.secondary-btn {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================
   Planner View
   ============================================ */

.planner-content {
    display: grid;
    gap: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.tasks-list,
.schedule-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.task-item,
.schedule-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.task-item:hover {
    box-shadow: var(--shadow-md);
}

.task-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-checkbox.checked {
    background: var(--success);
    border-color: var(--success);
}

.task-checkbox.checked::after {
    content: '✓';
    color: white;
    font-weight: bold;
}

.task-content {
    flex: 1;
}

.task-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.task-item.completed .task-title {
    text-decoration: line-through;
    opacity: 0.6;
}

.task-time {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.task-priority {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.task-priority.high {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}

.task-priority.medium {
    background: rgba(255, 159, 67, 0.1);
    color: var(--warning);
}

.task-priority.low {
    background: rgba(76, 175, 147, 0.1);
    color: var(--success);
}

.task-delete {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.25rem;
}

.task-delete:hover {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}

/* ============================================
   Timer View
   ============================================ */

.timer-content {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.timer-display {
    margin-bottom: var(--spacing-xl);
}

.timer-circle {
    position: relative;
    width: 280px;
    height: 280px;
    margin: 0 auto;
}

.timer-svg {
    transform: rotate(-90deg);
}

.timer-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 8;
}

.timer-progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 565;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear;
}

.timer-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.timer-mode {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.mode-btn {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-primary);
}

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

.timer-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.timer-btn {
    flex: 1;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.timer-btn.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.timer-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.timer-btn.secondary {
    background: var(--bg-card);
    border: 2px solid var(--border);
    color: var(--text-primary);
}

.timer-btn.secondary:hover {
    border-color: var(--primary);
}

.timer-btn.hidden {
    display: none;
}

.timer-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.timer-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timer-stat .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timer-stat .stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   Notes View
   ============================================ */

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.note-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 150px;
    display: flex;
    flex-direction: column;
}

.note-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.note-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

.note-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.note-delete {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.125rem;
}

.note-delete:hover {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}

.note-content {
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.note-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* ============================================
   Progress View
   ============================================ */

.progress-content {
    display: grid;
    gap: var(--spacing-lg);
}

.progress-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.progress-card h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.chart-container {
    height: 200px;
}

.score-display {
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg) 0;
}

.score-circle {
    position: relative;
    width: 150px;
    height: 150px;
}

.score-circle svg {
    transform: rotate(-90deg);
}

.score-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 10;
}

.score-progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s ease;
}

.score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.achievement-icon {
    font-size: 2rem;
}

.achievement-text {
    flex: 1;
}

.achievement-title {
    font-weight: 600;
    color: var(--text-primary);
}

.achievement-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   Goals View
   ============================================ */

.goals-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.goal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.goal-card:hover {
    box-shadow: var(--shadow-md);
}

.goal-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.goal-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.goal-delete {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.goal-delete:hover {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}

.goal-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.goal-progress {
    margin-bottom: var(--spacing-sm);
}

.progress-bar-container {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.progress-percent {
    font-weight: 600;
    color: var(--primary);
}

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

.goal-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.goal-btn {
    flex: 1;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

/* ============================================
   Resume View
   ============================================ */

.resume-builder {
    display: grid;
    gap: var(--spacing-lg);
}

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

.form-section h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: var(--transition);
    margin-bottom: var(--spacing-sm);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
}

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

.resume-preview {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.resume-content {
    max-width: 800px;
    margin: 0 auto;
}

.resume-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border);
    margin-bottom: var(--spacing-lg);
}

.resume-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.resume-section {
    margin-bottom: var(--spacing-lg);
}

.resume-section h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.resume-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   Bottom Navigation
   ============================================ */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.nav-btn:hover {
    background: var(--bg-primary);
}

.nav-btn.active {
    color: var(--primary);
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-label {
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Modals
   ============================================ */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.2s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

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

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger);
}

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

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

/* ============================================
   Responsive Design
   ============================================ */

@media (min-width: 768px) {
    .app-main {
        padding: var(--spacing-xl);
    }
    
    .welcome-title {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .decision-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .planner-content {
        grid-template-columns: 2fr 1fr;
    }
    
    .progress-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .progress-card:first-child {
        grid-column: 1 / -1;
    }
    
    .resume-builder {
        grid-template-columns: 1fr 1fr;
    }
    
    .bottom-nav {
        padding: 0.75rem;
    }
    
    .nav-label {
        font-size: 0.75rem;
    }
}

@media (min-width: 1024px) {
    .decision-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .notes-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.hidden {
    display: none !important;
}

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============================================
   Print Styles for Resume
   ============================================ */

@media print {
    .app-header,
    .bottom-nav,
    .view-header,
    .resume-form {
        display: none;
    }
    
    .resume-preview {
        box-shadow: none;
        border: none;
    }
}