/* ===================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   =================================== */
:root {
    /* Colors - Custom Palette (NO generic blue-500) */
    --color-bg: #FAFAF8;
    --color-text: #0F0F0F;
    --color-accent-1: #FF6B35;
    /* Vibrant Coral-Orange */
    --color-accent-2: #004E89;
    /* Deep Navy (NOT generic blue) */
    --color-accent-3: #F7B801;
    /* Golden Yellow */
    --color-surface: #FFFFFF;
    --color-deferred: #C44569;
    /* Deep Rose */
    --color-success: #00D9C0;
    /* Electric Teal */

    /* Grays */
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E8E8E8;
    --color-gray-300: #D1D1D1;
    --color-gray-700: #4A4A4A;

    /* Typography - NO Inter/Roboto/Space Grotesk */
    --font-heading: 'Syne', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --font-body: 'Work Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(15, 15, 15, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 15, 15, 0.12);
    --shadow-lg: 0 8px 32px rgba(15, 15, 15, 0.16);

    /* 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);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color var(--transition-slow);
}

/* Gradient mesh background - NO flat backgrounds */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 78, 137, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(247, 184, 1, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* Noise texture overlay for additional depth */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    z-index: -1;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* ===================================
   NAVIGATION ISLAND
   =================================== */
.nav-island {
    position: fixed;
    top: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-surface);
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideDown var(--transition-spring) ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--color-accent-1);
    font-style: italic;
}

.logo-dot {
    color: var(--color-accent-3);
    font-size: 1.5rem;
    font-weight: 700;
}

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

.nav-btn {
    background: transparent;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-btn:hover {
    background: var(--color-accent-2);
    border-color: var(--color-accent-2);
    color: var(--color-surface);
    transform: translateY(-2px) scale(1.02);
}

.nav-btn:active {
    transform: translateY(0) scale(0.98);
}

/* ===================================
   MAIN CONTAINER
   =================================== */
.main-container {
    max-width: 1400px;
    /* Increased max-width for 3 columns */
    margin: 0 auto;
    padding: calc(80px + var(--spacing-xl)) var(--spacing-lg) var(--spacing-2xl);
    min-height: 100vh;
    transition: padding var(--transition-slow);
}

/* ===================================
   HERO SECTION (The Split - 50/50)
   =================================== */
.hero-section {
    margin-bottom: var(--spacing-2xl);
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-xl);
    align-items: center;
    min-height: 60vh;
    transition: all var(--transition-spring);
}

/* Compact Mode for Hero */
body.compact-mode .hero-section {
    min-height: auto;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.hero-content {
    grid-column: 1 / 7;
    /* Left half - columns 1-6 */
    animation: slideUpMask 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s backwards;
    transition: all var(--transition-spring);
}

body.compact-mode .hero-content {
    grid-column: 1 / 5;
}

@keyframes slideUpMask {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 8vw, 8rem);
    font-weight: 800;
    line-height: 0.95;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.04em;
    transition: all var(--transition-spring);
}

body.compact-mode .hero-title {
    font-size: 2rem;
    margin-bottom: 0;
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-title-line span {
    display: inline-block;
    animation: slideUpFromMask 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.hero-title-line:nth-child(1) span {
    animation-delay: 0.1s;
}

.hero-title-line:nth-child(2) span {
    animation-delay: 0.25s;
}

@keyframes slideUpFromMask {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

.hero-title-line:last-child {
    color: var(--color-accent-1);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray-700);
    max-width: 500px;
    line-height: 1.5;
    transition: all var(--transition-base);
}

body.compact-mode .hero-subtitle {
    display: none;
}

/* ===================================
   BRAIN DUMP INPUT (Right Half)
   =================================== */
.brain-dump-container {
    grid-column: 7 / 13;
    /* Right half - columns 7-12 */
    animation: slideUpMask 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s backwards;
    transition: all var(--transition-spring);
}

body.compact-mode .brain-dump-container {
    grid-column: 5 / 13;
}

.brain-dump-form {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--color-surface);
    border: 3px solid var(--color-text);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.brain-dump-form:focus-within {
    border-color: var(--color-accent-1);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.15), var(--shadow-lg);
    transform: translateY(-2px);
}

.brain-dump-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--color-text);
    padding: var(--spacing-md);
    outline: none;
}

.brain-dump-input::placeholder {
    color: var(--color-gray-300);
}

.brain-dump-submit {
    background: var(--color-accent-1);
    border: none;
    border-radius: var(--radius-md);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.brain-dump-submit:hover {
    background: var(--color-accent-2);
    transform: scale(1.08) rotate(90deg);
}

.brain-dump-submit:active {
    transform: scale(0.92) rotate(90deg);
}

.submit-icon {
    font-size: 2rem;
    color: var(--color-surface);
    font-weight: 300;
    line-height: 1;
}

.brain-dump-hint {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-700);
    text-align: center;
    transition: opacity var(--transition-base);
}

body.compact-mode .brain-dump-hint {
    opacity: 0;
    height: 0;
    margin: 0;
}

/* ===================================
   DASHBOARD SECTION
   =================================== */
.dashboard-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    height: 0;
    overflow: hidden;
    transition: all var(--transition-spring);
}

body.compact-mode .dashboard-section {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    height: auto;
    overflow: visible;
}

.dashboard-stat {
    background: var(--color-surface);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.dashboard-stat:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent-1);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
}

/* ===================================
   LOOPS SECTION (Kanban)
   =================================== */
.loops-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* 3 Columns for Kanban */
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.loops-column {
    background: rgba(245, 245, 245, 0.5);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    min-height: 200px;
    transition: background-color var(--transition-base);
}

.loops-column.drag-over {
    background: rgba(255, 107, 53, 0.1);
    border: 2px dashed var(--color-accent-1);
}

.loops-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
}

.loops-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.loops-count {
    background: var(--color-gray-200);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    min-width: 32px;
    text-align: center;
}

.loops-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    min-height: 100px;
    /* Drop target area */
}

/* Loop Card */
.loop-card {
    background: var(--color-surface);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    animation: slideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: grab;
    position: relative;
}

.loop-card:active {
    cursor: grabbing;
}

.loop-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
    box-shadow: var(--shadow-lg);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.loop-card:hover {
    border-color: var(--color-accent-1);
    transform: translateY(-4px) rotate(-1deg) scale(1.02);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.loop-content {
    margin-bottom: var(--spacing-md);
}

.loop-text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.loop-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--color-gray-700);
    border-top: 1px solid var(--color-gray-200);
    padding-top: var(--spacing-xs);
}

.meta-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.meta-icon {
    font-size: 0.875rem;
}

.loop-tag {
    background: var(--color-accent-3);
    color: var(--color-text);
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-weight: 500;
    display: inline-block;
    margin-bottom: var(--spacing-xs);
}

.loop-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.loop-card:hover .loop-actions {
    opacity: 1;
}

.loop-btn {
    flex: 1;
    background: transparent;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    padding: 4px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-base);
}

.loop-btn:hover {
    transform: scale(1.05);
}

.loop-btn:active {
    transform: scale(0.95);
}

.loop-btn.btn-resolve {
    border-color: var(--color-success);
    color: var(--color-success);
}

.loop-btn.btn-resolve:hover {
    background: var(--color-success);
    color: var(--color-text);
}

.loop-btn.btn-defer {
    border-color: var(--color-deferred);
    color: var(--color-deferred);
}

.loop-btn.btn-defer:hover {
    background: var(--color-deferred);
    color: var(--color-surface);
}

.loop-btn.btn-open {
    border-color: var(--color-accent-2);
    color: var(--color-accent-2);
}

.loop-btn.btn-open:hover {
    background: var(--color-accent-2);
    color: var(--color-surface);
}

.loop-btn.btn-delete {
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
    max-width: 30px;
}

.loop-btn.btn-delete:hover {
    background: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-surface);
}



/* ===================================
   MODAL
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.6);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border: 3px solid var(--color-text);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-200);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--color-gray-700);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-text);
    transform: rotate(90deg);
}

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

/* ===================================
   DAILY REVIEW
   =================================== */
.review-intro {
    font-size: 1rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

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

.review-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.review-progress-fill {
    height: 100%;
    background: var(--color-accent-1);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
    width: 0%;
}

.review-progress-text {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
}

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

.review-complete {
    text-align: center;
    padding: var(--spacing-xl);
}

.review-complete-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.review-complete-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.review-complete-text {
    font-size: 1rem;
    color: var(--color-gray-700);
}

/* ===================================
   SETTINGS
   =================================== */
.settings-group {
    margin-bottom: var(--spacing-lg);
}

.settings-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.settings-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.settings-input:focus {
    outline: none;
    border-color: var(--color-accent-1);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.settings-checkbox {
    margin-right: var(--spacing-xs);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-accent-1);
    color: var(--color-surface);
}

.btn-primary:hover {
    background: var(--color-accent-2);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

/* ===================================
   SETTINGS LINKS
   =================================== */
.settings-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--spacing-lg) 0;
}

.settings-about {
    margin-top: var(--spacing-lg);
}

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

.settings-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.settings-link:hover {
    background: var(--color-gray-100);
    border-color: var(--color-accent-1);
    transform: translateX(4px);
}

.link-icon {
    font-size: 1.25rem;
}