/* Synced from app: public/css/tracker.css (buttons, main shell, auth card). Subset for steel.coach presentation site. */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.825rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition),
                color var(--transition), transform var(--transition),
                box-shadow var(--transition);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover,
.btn:visited,
.btn:focus-visible,
.btn:active {
    text-decoration: none;
}

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

.btn-primary {
    background: var(--accent);
    color: #0c0d11;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 0 18px var(--accent-muted);
}

.btn-danger {
    background: rgba(var(--danger-rgb), 0.22);
    color: var(--danger-soft);
    border-color: rgba(var(--danger-rgb), 0.45);
}

.btn-danger:hover {
    background: rgba(var(--danger-rgb), 0.32);
    border-color: rgba(var(--danger-rgb), 0.55);
    color: #f5d4d4;
}

.btn-danger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-danger:disabled:hover {
    background: rgba(var(--danger-rgb), 0.22);
    border-color: rgba(var(--danger-rgb), 0.45);
    color: var(--danger-soft);
    box-shadow: none;
}

.btn-success {
    background: var(--success-bright);
    color: #06140b;
    border-color: var(--success-soft);
    font-weight: 600;
}

.btn-success:hover {
    background: rgb(52, 211, 110);
    border-color: rgb(134, 239, 172);
    box-shadow: 0 0 18px rgba(var(--success-rgb), 0.35);
    color: #041209;
}

.btn-success:focus-visible {
    outline: 2px solid var(--success-soft);
    outline-offset: 2px;
}

.btn-success:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.btn-ghost {
    background: var(--bg-elevated);
    color: var(--text-sub);
    border-color: var(--border-card);
}

.btn-ghost:hover {
    background: #252830;
    color: var(--text);
    border-color: var(--accent-dim);
}

/* Header toolbar: soft tinted ghosts (Admin / logout stay plain .btn-ghost) */
.btn.btn-ghost.btn-header-history {
    color: #8ec8eb;
    border-color: rgba(110, 184, 228, 0.36);
    background: rgba(110, 184, 228, 0.07);
}

.btn.btn-ghost.btn-header-history:hover {
    color: #b8dff7;
    background: rgba(110, 184, 228, 0.12);
    border-color: rgba(150, 205, 238, 0.48);
}

.btn.btn-ghost.btn-header-profile {
    color: #8fd4b8;
    border-color: rgba(120, 200, 165, 0.36);
    background: rgba(120, 200, 165, 0.07);
}

.btn.btn-ghost.btn-header-profile:hover {
    color: #b5ead1;
    background: rgba(120, 200, 165, 0.12);
    border-color: rgba(160, 220, 185, 0.48);
}

.btn.btn-ghost.btn-header-coach {
    color: #c4b5e8;
    border-color: rgba(156, 130, 220, 0.36);
    background: rgba(var(--coach-rgb), 0.07);
}

.btn.btn-ghost.btn-header-coach:hover {
    color: #ddd4f5;
    background: rgba(var(--coach-rgb), 0.12);
    border-color: rgba(176, 150, 235, 0.48);
}

.btn.btn-ghost.btn-header-data {
    color: #d4c8a8;
    border-color: rgba(200, 175, 130, 0.36);
    background: rgba(200, 165, 116, 0.07);
}

.btn.btn-ghost.btn-header-data:hover {
    color: #e8ddc8;
    background: rgba(200, 165, 116, 0.12);
    border-color: rgba(215, 188, 145, 0.48);
}

.btn i {
    font-size: 0.85rem;
}

/* Logout / user identity button */
.btn-logout {
    text-decoration: none;
    border-left: 1px solid var(--border-card);
    margin-left: 0.25rem;
    padding-left: 0.9rem;
}

.btn-logout .btn-label {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Main Content ───────────────────────────────────────────────────── */
.main-content {
    flex: 1 1 auto;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
    padding-bottom: max(3rem, calc(3rem + env(safe-area-inset-bottom, 0px)));
    box-sizing: border-box;
}

.login-wrap {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1.5rem;
    box-sizing: border-box;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.login-card--narrow {
    max-width: 360px;
}

.login-icon {
    text-align: center;
    margin-bottom: 1.75rem;
}

.login-icon .brand-logo--login {
    width: 112px;
    height: 112px;
    margin: 0 auto;
    display: block;
    object-fit: contain;
}

@media (max-width: 480px) {
    .login-icon .brand-logo--login {
        width: 92px;
        height: 92px;
    }
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.login-field label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-ui);
}

.login-field input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: 1rem;
    padding: 0.65rem 0.85rem;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-field input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-error {
    background: rgba(var(--danger-rgb), 0.12);
    border: 1px solid rgba(var(--danger-rgb), 0.35);
    border-radius: var(--radius-md);
    color: var(--danger-soft);
    font-size: 0.88rem;
    padding: 0.6rem 0.85rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-success {
    background: rgba(var(--success-rgb), 0.12);
    border: 1px solid rgba(var(--success-rgb), 0.35);
    border-radius: var(--radius-md);
    color: var(--success-soft);
    font-size: 0.88rem;
    padding: 0.6rem 0.85rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-success--wide {
    align-items: flex-start;
    line-height: 1.45;
    font-size: 0.82rem;
}

.login-submit {
    width: 100%;
    margin-top: 0.5rem;
    justify-content: center;
    font-size: 1rem;
    padding: 0.75rem 1rem;
}

.login-links {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.88rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.login-links a {
    color: var(--accent);
    text-decoration: none;
}

.login-links a:hover {
    text-decoration: underline;
}

.form-title {
    text-align: center;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.form-hint {
    text-align: center;
    color: var(--text-ui);
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

.verify-hint {
    text-align: center;
    color: var(--text-ui);
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.verify-code-input {
    text-align: center;
    font-size: 1.6rem;
    letter-spacing: 0.3em;
    font-weight: 700;
}

.resend-row {
    display: flex;
    justify-content: center;
    margin-top: 0.75rem;
}

.resend-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
}

.resend-btn:hover {
    text-decoration: underline;
}