/* ── SmartSystem v5 — Auth Stylesheet ──────────────────────── */

:root {
    --color-bg: #080c18;
    --color-bg-alt: #0d1230;
    --color-bg-card: #111827;
    --color-border: #1e293b;
    --color-text: #edf2f7;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-bg: rgba(99, 102, 241, 0.1);
    --color-primary-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.1);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
}

body.auth-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.02) 0%, transparent 50%);
}

::selection {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
    animation: authFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    box-shadow: 0 20px 40px -8px rgba(0, 0, 0, 0.6);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form .form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.auth-form .form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.auth-form .form-control:hover {
    border-color: #2a3a4e;
}

.auth-form .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.auth-form .form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* Install */
.install-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.install-step i {
    font-size: 1.5rem;
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.125rem;
}

.install-step h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.install-step p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.alert-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

code {
    background: var(--color-primary-bg);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.8em;
    color: var(--color-primary);
}

@media (max-width: 480px) {
    .auth-card {
        padding: 1.5rem;
    }
}