/* IronLogger — shared site styles.
   Loaded by every template in ironserver/templates/. Keep selectors generic
   (tag selectors, small set of reusable classes) so new pages pick up the
   same look without extra wiring. */

:root {
    --color-bg: #f3f4f7;
    --color-surface: #ffffff;
    --color-surface-alt: #f8f9fb;
    --color-border: #e2e5eb;
    --color-text: #1b1f27;
    --color-text-muted: #646d7a;

    --color-header-bg: #161a21;
    --color-header-bg-alt: #1f242d;
    --color-header-text: #f5f6f8;
    --color-header-text-muted: #9aa2ae;

    --color-accent: #ff6a3d;
    --color-accent-dark: #e0501f;
    --color-accent-contrast: #1b0d05;

    --color-success: #2e9e6b;
    --color-success-bg: #e7f6ef;
    --color-danger: #e5484d;

    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(16, 20, 26, 0.06), 0 1px 1px rgba(16, 20, 26, 0.04);
    --shadow-md: 0 10px 30px rgba(16, 20, 26, 0.1);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    line-height: 1.2;
    margin: 0 0 0.5em;
}

a {
    color: var(--color-accent-dark);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

p {
    margin: 0 0 0.75em;
}

img {
    max-width: 100%;
}

/* Layout */

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

main {
    padding: 2rem 0 3rem;
}

/* Site header */

.site-header {
    background: var(--color-header-bg);
    color: var(--color-header-text);
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.brand {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-header-text);
}

.brand:hover {
    text-decoration: none;
    color: var(--color-header-text);
}

.brand__accent {
    color: var(--color-accent);
}

.brand__tagline {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-header-text-muted);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-right: auto;
}

.site-nav a {
    color: var(--color-header-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--color-header-text);
    text-decoration: none;
}

/* Auth controls, top-right of the header */

.auth-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

.auth-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-form input {
    width: 9.5rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
}

.auth-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-header-text-muted);
}

.auth-status__email {
    color: var(--color-header-text);
    font-weight: 500;
}

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

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.btn--accent {
    background: var(--color-accent);
    color: var(--color-accent-contrast);
}

.btn--accent:hover {
    background: var(--color-accent-dark);
    text-decoration: none;
}

.btn--outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-dark);
    text-decoration: none;
}

.btn--ghost {
    background: transparent;
    border-color: rgba(245, 246, 248, 0.25);
    color: var(--color-header-text);
}

.btn--ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    text-decoration: none;
}

.btn--sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

/* Forms */

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

input, select, button {
    font-family: inherit;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
select {
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9rem;
}

input:focus, select:focus, button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
}

.form-row {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.form-row .field {
    margin-bottom: 0;
}

.inline-form {
    display: inline-flex;
}

/* Cards */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card > h2 {
    font-size: 1.1rem;
}

.card--empty {
    text-align: center;
    color: var(--color-text-muted);
}

/* Tables (kept as bare tag selectors so page markup can stay plain <table>) */

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

th {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700;
}

tbody tr:hover {
    background: var(--color-surface-alt);
}

/* Status pill, e.g. "In progress" */

.status-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-success-bg);
    color: var(--color-success);
}

/* Page header (below site header, per-page title/actions row) */

.page-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin-bottom: 0;
}

.page-header__actions a,
.page-header__actions .btn {
    margin-left: 0.5rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent-dark);
    margin: 0 0 0.25rem;
}

/* Exercise / set editor (session page) */

.exercise {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.exercise:last-child {
    border-bottom: none;
}

.exercise h2 {
    font-size: 1rem;
}

.set {
    padding: 0.6rem 0;
    border-top: 1px dashed var(--color-border);
}

.set:first-of-type {
    border-top: none;
}

.setHeader {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.setLabel {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    min-width: 6.5rem;
}

.weightInput {
    width: 5.5rem;
}

.reps {
    display: block;
    margin-top: 0.4rem;
}

.repButton {
    min-width: 2.2rem;
    padding: 0.35rem 0.5rem;
    margin: 0.15rem 0.25rem 0.15rem 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    font-weight: 600;
}

.repButton:hover {
    border-color: var(--color-accent);
}

.repButton.selected {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-accent-contrast);
}

.setStatus {
    display: block;
    font-size: 0.8rem;
    color: var(--color-success);
}

#restTimer {
    margin-top: 0.75rem;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-alt);
    display: none;
}

#restTimer.active {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.exercise-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.exercise-buttons input[type="button"] {
    min-width: 2.2rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-weight: 600;
}

/* Footer */

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Under-construction / placeholder page */

.placeholder {
    text-align: center;
    padding: 4rem 1rem;
}

.placeholder img {
    max-width: 320px;
    margin: 1.5rem 0;
    border-radius: var(--radius);
}

@media (max-width: 640px) {
    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .auth-controls {
        margin-left: 0;
        width: 100%;
        justify-content: space-between;
    }

    .auth-form {
        flex-wrap: wrap;
    }

    .auth-form input {
        width: 100%;
    }
}