/* Shared premium auth shell — sign-in, password reset, choose account */

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

body.auth-page {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-primary);
    font-weight: 400;
    background-color: var(--color-background);
    color: var(--color-text-light);
    position: relative;
    overflow-x: hidden;
}

body.auth-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(var(--primary-rgb, 12, 134, 232), 0.14) 0%, transparent 55%),
        radial-gradient(circle at 85% 35%, rgba(var(--primary-rgb, 12, 134, 232), 0.09) 0%, transparent 52%),
        radial-gradient(circle at 50% 85%, rgba(var(--primary-rgb, 12, 134, 232), 0.07) 0%, transparent 58%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 60%);
    z-index: 0;
    pointer-events: none;
}

body.auth-page::after {
    content: '';
    position: fixed;
    inset: -20%;
    background: radial-gradient(circle at 50% 40%, rgba(var(--primary-rgb, 12, 134, 232), 0.12) 0%, transparent 55%);
    filter: blur(18px);
    opacity: 0.24;
    z-index: 0;
    pointer-events: none;
}

.auth-page-shell {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-xl) var(--space-lg);
}

.auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: clamp(36px, 5vh, 72px);
}

.auth-brand-icon img {
    width: clamp(220px, 26vw, 400px);
    height: auto;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.28));
}

.auth-card-frame {
    width: 100%;
    max-width: 520px;
    padding: 2px;
    border-radius: var(--border-radius-lg, 16px);
    background: linear-gradient(
        135deg,
        rgba(var(--primary-rgb, 12, 134, 232), 0.85),
        rgba(var(--primary-rgb, 12, 134, 232), 0.16)
    );
    box-shadow:
        0 16px 40px rgba(var(--primary-rgb, 12, 134, 232), 0.08),
        var(--neu-raised-sm, 0 10px 28px rgba(0, 0, 0, 0.22));
}

.auth-card {
    background: var(--neu-surface, var(--color-secondary));
    border-radius: calc(var(--border-radius-lg, 16px) - 2px);
    border: 1px solid rgba(var(--primary-rgb, 12, 134, 232), 0.12);
    box-shadow: var(--neu-raised-sm, 0 10px 26px rgba(0, 0, 0, 0.18));
    padding: clamp(var(--space-xl), 4vw, var(--space-2xl));
    text-align: center;
}

.auth-card h1,
.auth-card h2 {
    margin: 0 0 var(--space-lg);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.auth-card .auth-subtitle {
    margin: calc(var(--space-sm) * -1) 0 var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.auth-field {
    margin-bottom: var(--space-md);
    text-align: left;
}

.auth-field label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.auth-field input {
    width: 100%;
    height: var(--control-height-md, 36px);
    padding: 0 var(--space-md);
    font-size: var(--text-md);
    font-family: inherit;
    color: var(--color-text-light);
    background: var(--neu-surface, var(--input-bg));
    border: 1px solid transparent;
    border-radius: var(--radius-medium);
    box-shadow: var(--neu-pressed);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-field input::placeholder {
    color: var(--color-text-tertiary);
}

.auth-field input:focus {
    outline: none;
    border-color: rgba(var(--primary-rgb, 12, 134, 232), 0.45);
    box-shadow: var(--neu-pressed), var(--focus-ring);
}

.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: var(--control-height-md, 36px);
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-md);
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark, var(--color-hover)) 100%);
    border: none;
    border-radius: var(--radius-medium);
    box-shadow: var(--neu-raised-sm);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.auth-btn:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

.auth-btn:active {
    transform: translateY(0);
    box-shadow: var(--neu-pressed);
}

.auth-link {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-link:hover {
    color: var(--color-primary-light, var(--color-hover));
    text-decoration: underline;
}

.auth-footer {
    margin-top: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.auth-alert {
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-medium);
    font-size: var(--text-sm);
    text-align: left;
    border-left: 3px solid var(--color-error);
    background: rgba(244, 93, 97, 0.1);
    color: var(--color-error, #f45d61);
}

.auth-alert--success {
    border-left-color: var(--color-success, #11c885);
    background: rgba(17, 200, 133, 0.1);
    color: var(--color-success, #11c885);
}

.auth-alert p {
    margin: 0;
}

/* Account picker */
.auth-account-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.auth-account-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-family: inherit;
    font-size: var(--text-md);
    color: var(--color-text-light);
    background: var(--neu-surface, var(--color-background));
    border: 1px solid transparent;
    border-radius: var(--radius-medium);
    box-shadow: var(--neu-raised-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-account-item:hover,
.auth-account-item:focus-visible {
    outline: none;
    border-color: rgba(var(--primary-rgb, 12, 134, 232), 0.35);
    transform: translateY(-1px);
    box-shadow: var(--neu-raised);
}

.auth-account-item:active {
    transform: translateY(0);
    box-shadow: var(--neu-pressed);
}

.auth-account-item .auth-account-number {
    font-weight: 600;
    color: var(--color-primary);
}

.auth-account-item .auth-account-company {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.auth-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.auth-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--control-height-md, 36px);
    padding: var(--space-sm) var(--space-xl);
    font-size: var(--text-sm);
    font-weight: 500;
    font-family: inherit;
    color: var(--color-text-secondary);
    background: var(--neu-surface, var(--color-background));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    box-shadow: var(--neu-raised-sm);
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.auth-btn-secondary:hover {
    color: var(--color-text-light);
    border-color: rgba(var(--primary-rgb, 12, 134, 232), 0.3);
}

/* Theme picker — top-right on auth pages */
.auth-theme-picker {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-pill);
    background: var(--neu-surface, var(--color-secondary));
    box-shadow: var(--neu-raised-sm);
    border: 1px solid rgba(var(--primary-rgb, 12, 134, 232), 0.1);
}

.auth-theme-picker label {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.auth-theme-picker select {
    height: 28px;
    padding: 0 var(--space-sm);
    font-size: var(--text-xs);
    font-family: inherit;
    color: var(--color-text-light);
    background: var(--neu-surface, var(--input-bg));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-small);
    cursor: pointer;
}

@media (max-width: 480px) {
    .auth-theme-picker {
        top: var(--space-sm);
        right: var(--space-sm);
        left: var(--space-sm);
        justify-content: space-between;
    }

    .auth-theme-picker select {
        flex: 1;
        max-width: 180px;
    }
}