/* ============================================================
   GymFlow — design system v2 (Kahunas-style polished dark glass)
   This file is the SINGLE SOURCE OF TRUTH for tokens, primitives,
   the dashboard shell, and shared workspace chrome. Per-workspace
   layout (e.g. the workout builder grid) lives in its own file
   and only adds layout specifics on top of these tokens.
   ============================================================ */

:root {
    /* Surface palette — deep, slightly cool black */
    --bg-deep:   #06080c;
    --bg-base:   #0a0d13;
    --bg-soft:   #11161f;
    --bg-lift:   #161c27;

    /* Glass primitives */
    --glass-bg:        rgba(255, 255, 255, 0.035);
    --glass-bg-strong: rgba(255, 255, 255, 0.06);
    --glass-bg-hover:  rgba(255, 255, 255, 0.08);
    --glass-border:        rgba(255, 255, 255, 0.07);
    --glass-border-strong: rgba(255, 255, 255, 0.14);
    --glass-blur: 22px;

    /* Type ramp */
    --text:       rgba(255, 255, 255, 0.96);
    --text-soft:  rgba(255, 255, 255, 0.62);
    --text-faint: rgba(255, 255, 255, 0.38);
    --text-mute:  rgba(255, 255, 255, 0.24);

    /* Accent — neon lime, the recognisably "Kahunas" cue */
    --accent:        #c8ff00;
    --accent-strong: #d6ff3a;
    --accent-deep:   #9ecf00;
    --accent-soft:   rgba(200, 255, 0, 0.12);
    --accent-line:   rgba(200, 255, 0, 0.28);
    --accent-glow:   rgba(200, 255, 0, 0.35);

    /* Status colours */
    --blue:   #5b8def;
    --green:  #3ecf8e;
    --red:    #ff5d6c;
    --orange: #f5a13a;

    /* Shadow ramp tuned for dark surfaces */
    --shadow-sm:   0 4px 20px rgba(0, 0, 0, 0.32);
    --shadow-md:   0 12px 38px rgba(0, 0, 0, 0.45);
    --shadow-lg:   0 28px 70px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 8px 36px rgba(200, 255, 0, 0.20);

    /* Radius ramp */
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --radius-2xl: 36px;

    /* Motion */
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    --motion-fast: 140ms;
    --motion: 220ms;
    --motion-slow: 380ms;

    /* Layout rhythm */
    --shell-pad: 28px;
    --topnav-h: 68px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: var(--bg-deep);
}

body {
    font-family: "SF Pro Display", "Inter", ui-sans-serif, system-ui,
                 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background:
        radial-gradient(1100px 700px at 12% -10%, rgba(91, 141, 239, 0.16), transparent 65%),
        radial-gradient(900px 600px at 110% 20%, rgba(200, 255, 0, 0.08), transparent 55%),
        radial-gradient(1200px 900px at 50% 130%, rgba(91, 141, 239, 0.10), transparent 60%),
        linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-base) 100%);
    background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--accent-soft); color: var(--accent-strong); }

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

.container {
    width: min(1320px, calc(100% - 40px));
    margin: 0 auto;
}

.container-narrow {
    width: min(960px, calc(100% - 40px));
    margin: 0 auto;
}

/* ============================================================
   Glass primitive — every panel inherits from this
   ============================================================ */

.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}

.glass-strong {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}

/* Legacy aliases — old templates use .card / .card-soft */
.card       { composes: glass; }
.card-soft  { composes: glass; }
.card,
.card-soft {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}

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

.btn {
    border: 1px solid transparent;
    border-radius: 14px;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform var(--motion-fast) var(--ease),
                background var(--motion-fast) var(--ease),
                border-color var(--motion-fast) var(--ease),
                box-shadow var(--motion-fast) var(--ease),
                color var(--motion-fast) var(--ease);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    white-space: nowrap;
    user-select: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    color: #0a0f02;
    background: linear-gradient(180deg, var(--accent-strong), var(--accent));
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-line);
}
.btn-primary:hover { filter: brightness(1.04); }

.btn-secondary {
    color: var(--text);
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.btn-secondary:hover { background: var(--glass-bg-hover); }

.btn-ghost {
    color: var(--text-soft);
    background: transparent;
    border-color: transparent;
}
.btn-ghost:hover { background: var(--glass-bg); color: var(--text); }

.btn-danger {
    color: #fff;
    background: linear-gradient(180deg, #ff7080, #e8485a);
    border-color: rgba(255, 93, 108, 0.55);
    box-shadow: 0 8px 26px rgba(255, 93, 108, 0.22);
}

.btn-sm {
    padding: 8px 12px;
    font-size: 13px;
    min-height: 36px;
    border-radius: 10px;
}

/* ============================================================
   Inputs
   ============================================================ */

.input,
select,
textarea {
    width: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-strong);
    border-radius: 14px;
    padding: 12px 14px;
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color var(--motion-fast) var(--ease),
                box-shadow var(--motion-fast) var(--ease),
                background var(--motion-fast) var(--ease);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

textarea { resize: vertical; min-height: 110px; }

.input::placeholder,
textarea::placeholder { color: var(--text-faint); }

.input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent-line);
    background: var(--glass-bg-strong);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-soft);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

/* ============================================================
   Badges, pills, chips
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 11px;
    border-radius: 999px;
    border: 1px solid var(--glass-border-strong);
    background: var(--glass-bg);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-soft);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.badge-accent {
    background: var(--accent-soft);
    border-color: var(--accent-line);
    color: var(--accent-strong);
}

.badge-blue {
    background: rgba(91, 141, 239, 0.15);
    border-color: rgba(91, 141, 239, 0.35);
    color: #c2d4ff;
}

.badge-green {
    background: rgba(62, 207, 142, 0.15);
    border-color: rgba(62, 207, 142, 0.35);
    color: #b0f1d4;
}

.badge-red {
    background: rgba(255, 93, 108, 0.15);
    border-color: rgba(255, 93, 108, 0.35);
    color: #ffc3ca;
}

.kicker {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-faint);
}

/* ============================================================
   Section headings
   ============================================================ */

.h-display {
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.02;
    letter-spacing: -0.025em;
    font-weight: 800;
    margin: 0;
}

.h-section {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
}

.section-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.divider {
    height: 1px;
    background: var(--glass-border);
    width: 100%;
}

.icon-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--accent);
    display: inline-block;
    box-shadow: 0 0 12px var(--accent-glow);
}

/* ============================================================
   Messages
   ============================================================ */

.messages { display: grid; gap: 10px; margin-bottom: 18px; }

.message {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 14px;
    border: 1px solid var(--glass-border-strong);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text);
}

.message.success {
    background: rgba(62, 207, 142, 0.10);
    border-color: rgba(62, 207, 142, 0.32);
    color: #b8f4d8;
}

.message.error {
    background: rgba(255, 93, 108, 0.10);
    border-color: rgba(255, 93, 108, 0.32);
    color: #ffc7ce;
}

/* ============================================================
   Dashboard shell — top-nav workspace switcher
   ============================================================ */

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

.dashboard-topnav {
    position: sticky;
    top: 0;
    z-index: 30;
    height: var(--topnav-h);
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 var(--shell-pad);
    background: rgba(8, 11, 17, 0.62);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
}

.dashboard-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-right: 4px;
}

.dashboard-brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--accent-strong), var(--accent-deep));
    color: #0b1100;
    font-weight: 900;
    font-size: 15px;
    box-shadow: 0 6px 18px var(--accent-glow);
}

.dashboard-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
}
.dashboard-nav::-webkit-scrollbar { display: none; }

.dashboard-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-soft);
    border: 1px solid transparent;
    transition: color var(--motion-fast) var(--ease),
                background var(--motion-fast) var(--ease),
                border-color var(--motion-fast) var(--ease);
}

.dashboard-nav-link:hover {
    color: var(--text);
    background: var(--glass-bg);
}

.dashboard-nav-link.active {
    color: var(--text);
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.dashboard-nav-link .nav-icon {
    width: 16px;
    text-align: center;
    color: var(--text-faint);
    transition: color var(--motion-fast) var(--ease);
}
.dashboard-nav-link.active .nav-icon { color: var(--accent); }

.dashboard-nav-link .nav-badge {
    margin-left: 4px;
    background: var(--accent);
    color: #0b1100;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 999px;
}

.dashboard-topnav-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.dashboard-account-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px 6px 6px;
    border-radius: 999px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-strong);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
}

.dashboard-account-avatar {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #5b8def, #3aa1c2);
    color: #fff;
    font-weight: 800;
    font-size: 12px;
}

/* Main content area */
.dashboard-main {
    flex: 1;
    padding: var(--shell-pad);
    padding-top: 22px;
}

.dashboard-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.dashboard-page-kicker {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.dashboard-page-title {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
}

.dashboard-page-subtitle {
    color: var(--text-soft);
    font-size: 14px;
    margin-top: 4px;
    max-width: 720px;
}

.dashboard-page-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* ============================================================
   Workspace scaffold ("Coming in Phase X")
   ============================================================ */

.scaffold-hero {
    padding: 56px 44px;
    display: grid;
    gap: 28px;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
}

.scaffold-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-line);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 18px;
}

.scaffold-hero h2 {
    font-size: clamp(28px, 3vw, 42px);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 14px;
}

.scaffold-hero p {
    color: var(--text-soft);
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    max-width: 560px;
}

.scaffold-hero-actions {
    display: inline-flex;
    gap: 10px;
    margin-top: 26px;
    flex-wrap: wrap;
}

.scaffold-feature-list {
    display: grid;
    gap: 12px;
}

.scaffold-feature {
    padding: 16px 18px;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.scaffold-feature-bullet {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-weight: 800;
    font-size: 14px;
    flex-shrink: 0;
}

.scaffold-feature-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
}

.scaffold-feature-text {
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.5;
}

/* ============================================================
   Responsive — narrow viewports
   ============================================================ */

@media (max-width: 880px) {
    .dashboard-topnav {
        height: auto;
        padding: 14px var(--shell-pad);
        flex-wrap: wrap;
    }
    .dashboard-nav { order: 3; width: 100%; padding-top: 8px; }
    .scaffold-hero {
        grid-template-columns: 1fr;
        padding: 36px 24px;
    }
}