/* --------------------------------------------------------------
   Neo Postal UI – global tokens, base styles and primitives
-------------------------------------------------------------- */
@import 'forms.css';
@import 'tables.css';
@import 'notifications.css';
@import 'layout.css';
@import 'animations.css';

:root {
    /* Base colors */
    --bg: #040513;
    --bg-alt: #0b1124;
    --panel: rgba(14, 20, 38, 0.8);
    --panel-solid: #111833;
    --panel-bright: rgba(255, 255, 255, 0.04);
    --panel-muted: rgba(255, 255, 255, 0.06);
    --panel-strong: rgba(5, 10, 25, 0.75);

    /* Text colors */
    --text: #f5f7ff;
    --text-alt: rgba(245, 247, 255, 0.72);
    --muted: #94a3b8;

    /* Brand palette */
    --primary: #4f9bff;
    --primary-dark: #2563eb;
    --secondary: #6ee7b7;
    --accent: #a855f7;
    --accent-2: #fb7185;

    /* Status */
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #38bdf8;

    /* Glows / gradient helpers */
    --gradient-1: radial-gradient(circle at 10% 20%, rgba(79, 155, 255, 0.35), transparent 55%);
    --gradient-2: radial-gradient(circle at 80% 0%, rgba(168, 85, 247, 0.35), transparent 60%);
    --gradient-3: linear-gradient(135deg, rgba(79, 155, 255, 0.8), rgba(14, 165, 233, 0.6));

    /* Typography */
    --font-sans: 'Inter', 'Space Grotesk', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);

    /* Radii + shadows */
    --radius-sm: 0.45rem;
    --radius: 0.85rem;
    --radius-lg: 1.35rem;
    --radius-xl: 2.25rem;
    --shadow-soft: 0 15px 35px rgba(4, 6, 20, 0.45);
    --shadow-floating: 0 25px 55px rgba(37, 99, 235, 0.25);
    --shadow-border: 0 0 0 1px rgba(255, 255, 255, 0.05);

    /* Layout */
    --space-1: 0.35rem;
    --space-2: 0.65rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2.25rem;
    --space-6: 3.5rem;
    --max-width: 1200px;
    --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' opacity='0.12' viewBox='0 0 160 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    --transition-fast: 140ms ease;
    --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 360ms cubic-bezier(0.4, 0, 0.2, 1);
    --navbar-height: 80px;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f6f8ff;
        --bg-alt: #e8edff;
        --panel: rgba(255, 255, 255, 0.9);
        --panel-solid: #ffffff;
        --panel-bright: rgba(15, 23, 42, 0.08);
        --panel-muted: rgba(15, 23, 42, 0.1);
        --panel-strong: rgba(255, 255, 255, 0.92);
        --text: #0f172a;
        --text-alt: rgba(15, 23, 42, 0.72);
        --muted: #4b5563;
        --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.1);
        --shadow-border: 0 0 0 1px rgba(15, 23, 42, 0.05);
        --gradient-1: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.14), transparent 56%);
        --gradient-2: radial-gradient(circle at 90% 0%, rgba(236, 72, 153, 0.18), transparent 60%);
    }
}

/* Base reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text);
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(79, 155, 255, 0.28), transparent 60%),
        radial-gradient(circle at 80% 0%, rgba(255, 99, 132, 0.22), transparent 55%),
        linear-gradient(160deg, rgba(4, 5, 19, 0.95), rgba(4, 8, 25, 0.98)),
        var(--noise);
    background-attachment: fixed;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before,
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

body::before {
    background-image: var(--gradient-1), var(--gradient-2);
    filter: blur(45px);
    opacity: 0.75;
}

body::after {
    background-image: var(--noise);
    opacity: 0.25;
}

img, svg, video {
    max-width: 100%;
    display: block;
}

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

a:hover {
    color: var(--accent);
}

button,
input[type="button"],
input[type="submit"] {
    font-family: var(--font-sans);
    border: none;
    border-radius: var(--radius);
    padding: 0.75rem 1.2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

button:hover,
input[type="button"]:hover,
input[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-border);
}

input,
select,
textarea {
    width: 100%;
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    padding: 0.8rem 1rem;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(79, 155, 255, 0.7);
    box-shadow: 0 0 0 3px rgba(79, 155, 255, 0.2);
}

h1, h2, h3, h4, h5 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-alt);
}

::selection {
    background: rgba(79, 155, 255, 0.3);
    color: var(--text);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Layout primitives */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: min(var(--max-width), 95%);
    margin-inline: auto;
}

.stack > * + * {
    margin-top: var(--space-3);
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

.grid {
    display: grid;
    gap: var(--space-4);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4) clamp(var(--space-3), 3vw, var(--space-5));
}

.panel,
.card {
    background: var(--panel);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card {
    padding: var(--space-4);
    position: relative;
    isolation: isolate;
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.04);
    pointer-events: none;
}

.card.pad {
    padding: var(--space-4);
}

.card.gradient {
    background: linear-gradient(145deg, rgba(79, 155, 255, 0.18), rgba(15, 23, 42, 0.9));
}

.glass {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
}

.btn {
    --btn-bg: var(--panel-bright);
    --btn-color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    font-family: inherit;
    text-transform: none;
    color: var(--btn-color);
    background: var(--btn-bg);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

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

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

.btn-primary {
    --btn-bg: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: rgba(79, 155, 255, 0.35);
    box-shadow: 0 18px 35px rgba(79, 155, 255, 0.35);
    color: #fff;
}

.btn-secondary {
    --btn-bg: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
    --btn-bg: transparent;
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-alt);
}

.btn-danger {
    --btn-bg: linear-gradient(135deg, var(--danger), #b91c1c);
    border-color: rgba(248, 113, 113, 0.5);
    color: #fff;
}

.btn-small {
    padding: 0.35rem 0.9rem;
    font-size: 0.85rem;
}

.btn-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 999px;
    padding: 0;
}

.badge,
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge {
    background: rgba(79, 155, 255, 0.2);
    color: var(--primary);
}

.chip {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}

.chip.success {
    color: var(--success);
    background: rgba(52, 211, 153, 0.18);
}

.chip.warning {
    color: var(--warning);
    background: rgba(251, 191, 36, 0.22);
}

.chip.danger {
    color: var(--danger);
    background: rgba(248, 113, 113, 0.2);
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3);
}

.page-header h1 {
    font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem);
}

.page-description {
    color: var(--text-alt);
    margin-top: 0.35rem;
    max-width: 48rem;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.breadcrumbs-item {
    color: inherit;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
}

.divider {
    height: 1px;
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    margin: var(--space-3) 0;
    border-radius: 999px;
}

.detail-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-3);
}

.detail-item {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-item dt {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.detail-item dd {
    margin: 0;
    font-size: 1.05rem;
    color: var(--text);
    font-weight: 600;
}

.table-wrapper {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero {
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(79, 155, 255, 0.25), rgba(14, 165, 233, 0.08));
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(79, 155, 255, 0.5), transparent 70%);
    filter: blur(25px);
    opacity: 0.6;
}

.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: clamp(2rem, 3vw + 1rem, 3rem);
    margin-bottom: 0.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: var(--space-3);
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
    padding: var(--space-5);
    align-items: center;
}

.auth-intro {
    color: var(--text);
}

.auth-card .card {
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

.auth-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

@media (max-width: 720px) {
    .auth-shell {
        padding: var(--space-3);
    }

    .auth-card .card {
        width: 100%;
    }
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.35rem 0.85rem 0.35rem 0.35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.user-chip__avatar {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-weight: 700;
    display: grid;
    place-items: center;
}

.user-chip__meta {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-chip__meta small {
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.metric-grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-card {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 10% 20%, rgba(79, 155, 255, 0.25), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

.metric-card:hover::before {
    opacity: 1;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metric-value {
    font-size: clamp(1.75rem, 3vw, 2.8rem);
    font-weight: 700;
    margin: 0.2rem 0;
}

.metric-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--success);
}

.metric-trend.down {
    color: var(--danger);
}

.quick-actions {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.quick-action {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.quick-action:hover {
    transform: translateY(-4px);
    border-color: rgba(79, 155, 255, 0.4);
}

.quick-action strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.45rem;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
    padding-left: 1.75rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0.3rem;
    left: 0.55rem;
    width: 2px;
    height: calc(100% - 0.6rem);
    background: linear-gradient(to bottom, rgba(79, 155, 255, 0), rgba(79, 155, 255, 0.5));
}

.timeline-item {
    position: relative;
    padding: var(--space-3);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-marker {
    position: absolute;
    top: var(--space-3);
    left: -1.4rem;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 999px;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 155, 255, 0.15);
}

.timeline-time {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 18, 0.75);
    z-index: 5;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.sidebar-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.timeline-status {
    font-weight: 600;
}

.empty-state {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--muted);
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.footer {
    padding: var(--space-4) 0;
    color: var(--muted);
}

.footer .inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
}

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

.text-alt {
    color: var(--text-alt);
}

.mt-1 { margin-top: 0.35rem; }
.mt-2 { margin-top: 0.65rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.35rem; }
.mb-2 { margin-bottom: 0.65rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-1 { padding: 0.35rem; }
.p-2 { padding: 0.65rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.round { border-radius: var(--radius); }

@media (max-width: 960px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        padding: var(--space-4);
    }
}

@media (max-width: 720px) {
    .main-area {
        padding-inline: var(--space-3);
    }

    .breadcrumbs {
        flex-wrap: wrap;
    }
}