/* ============================================================================
   TPH ERP - Modern Sign-In Page
   ============================================================================
   All rules scoped to body.signin-page so nothing leaks into the main app.
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --signin-primary: #4f46e5;
    --signin-primary-hover: #4338ca;
    --signin-primary-rgb: 79, 70, 229;
    --signin-card-bg: #ffffff;
    --signin-text: #1e293b;
    --signin-muted: #64748b;
    --signin-border: #e2e8f0;
    --signin-radius: 16px;
}

/* ─── Background ──────────────────────────────────────── */
body.signin-page {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    min-height: 100vh;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Wrapper ─────────────────────────────────────────── */
body.signin-page .signin-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

body.signin-page .signin-box {
    width: 100%;
    max-width: 400px;
}

/* ─── Logo ────────────────────────────────────────────── */
body.signin-page .signin-logo {
    text-align: center;
    margin-bottom: 24px;
}

body.signin-page .signin-logo img {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.25);
}

body.signin-page .signin-logo .app-name {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 12px;
}

/* ─── Card ────────────────────────────────────────────── */
body.signin-page .signin-card {
    background: var(--signin-card-bg);
    border-radius: var(--signin-radius);
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.3);
    padding: 36px 32px 28px;
    animation: signin-fadeUp 0.5s ease-out;
}

@keyframes signin-fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

body.signin-page .signin-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--signin-text);
    margin: 0 0 4px;
}

body.signin-page .signin-card .signin-subtitle {
    color: var(--signin-muted);
    font-size: 0.875rem;
    margin-bottom: 28px;
}

/* ─── Input fields ────────────────────────────────────── */
body.signin-page .signin-field {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--signin-border);
    border-radius: 10px;
    background: #f8fafc;
    margin-bottom: 16px;
    transition: all 0.2s ease;
    overflow: hidden;
}

body.signin-page .signin-field:focus-within {
    border-color: var(--signin-primary);
    box-shadow: 0 0 0 3px rgba(var(--signin-primary-rgb), 0.12);
    background: #fff;
}

body.signin-page .signin-field .field-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    flex-shrink: 0;
    color: var(--signin-muted);
    font-size: 15px;
}

body.signin-page .signin-field input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 11px 14px 11px 0;
    font-size: 0.9rem;
    color: var(--signin-text);
    font-family: inherit;
}

body.signin-page .signin-field input::placeholder {
    color: #94a3b8;
}

/* ─── Submit button ───────────────────────────────────── */
body.signin-page .signin-btn {
    display: block;
    width: 100%;
    padding: 12px 24px;
    margin-top: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--signin-primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(var(--signin-primary-rgb), 0.35);
}

body.signin-page .signin-btn:hover {
    background: var(--signin-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--signin-primary-rgb), 0.45);
}

body.signin-page .signin-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(var(--signin-primary-rgb), 0.3);
}

body.signin-page .signin-btn i {
    margin-right: 6px;
}

/* ─── Error alert ─────────────────────────────────────── */
body.signin-page .signin-error {
    background: #fef2f2;
    color: #dc2626;
    border: none;
    border-left: 3px solid #dc2626;
    border-radius: 8px;
    font-size: 0.85rem;
    padding: 12px 16px;
    margin-top: 20px;
    animation: signin-shake 0.4s ease;
}

body.signin-page .signin-error.hidden {
    display: none;
}

@keyframes signin-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* ─── Footer ──────────────────────────────────────────── */
body.signin-page .signin-footer {
    text-align: center;
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
}

body.signin-page .signin-footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

body.signin-page .signin-footer a:hover {
    color: #fff;
}

/* ─── Responsive ──────────────────────────────────────── */
@media (max-width: 480px) {
    body.signin-page .signin-card {
        padding: 28px 20px 24px;
        border-radius: 12px;
    }
    body.signin-page .signin-box {
        max-width: 100%;
    }
}