@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Blue & White Theme */
    --bg-page: #f0f4f9;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    
    --primary-blue: #1d4ed8;
    --primary-blue-hover: #1e40af;
    --primary-blue-light: #eff6ff;
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
    --primary-glow: rgba(37, 99, 235, 0.25);
    
    --gold-accent: #f59e0b;
    --gold-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);

    --text-title: #0f172a;
    --text-body: #475569;
    --text-muted: #94a3b8;
    --text-light: #ffffff;

    --input-bg: #f8fafc;
    --input-border: #e2e8f0;
    --input-focus: #2563eb;
    
    --alert-error-bg: #fef2f2;
    --alert-error-border: #fca5a5;
    --alert-error-text: #b91c1c;

    --alert-success-bg: #f0fdf4;
    --alert-success-border: #86efac;
    --alert-success-text: #166534;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-card: 0 25px 60px -15px rgba(15, 23, 42, 0.12), 0 0 1px 1px rgba(226, 232, 240, 0.8);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    min-height: 100vh;
    background-color: var(--bg-page);
    background-image: 
        radial-gradient(at 0% 0%, rgba(219, 234, 254, 0.6) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(224, 231, 255, 0.6) 0px, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    color: var(--text-body);
}

/* Main Split Card Container */
.login-container {
    width: 100%;
    max-width: 1040px;
    min-height: 640px;
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    display: flex;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--card-border);
}

/* ========================================================
   LEFT SIDE: Branded Showcase Panel
   ======================================================== */
.brand-side {
    flex: 1.05;
    position: relative;
    background-color: #0b1329;
    background-image: url('../images/ca-desk.jpg');
    background-size: cover;
    background-position: center center;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3.5rem 3rem;
    overflow: hidden;
}

/* Semi-transparent navy/indigo overlay for crystal clear contrast */
.brand-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg, 
        rgba(10, 25, 60, 0.88) 0%, 
        rgba(15, 23, 42, 0.85) 60%, 
        rgba(30, 27, 75, 0.90) 100%
    );
    z-index: 1;
}

.brand-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

/* Top Branding */
.brand-top {
    margin-bottom: 2rem;
}

.brand-logo-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.brand-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 8px 18px -4px rgba(245, 158, 11, 0.4);
}

.brand-icon-wrapper svg {
    width: 24px;
    height: 24px;
}

.brand-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.brand-title span {
    color: #93c5fd;
    font-weight: 600;
}

.brand-subtext {
    font-size: 1.05rem;
    line-height: 1.5;
    color: #cbd5e1;
    font-weight: 400;
    max-width: 320px;
}

/* Bottom Feature Grid (4 Pillars) */
.brand-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 2rem;
}

.feature-pill {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.feature-icon-box {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fbbf24;
    transition: var(--transition);
}

.feature-pill:hover .feature-icon-box {
    background: rgba(37, 99, 235, 0.35);
    border-color: #60a5fa;
    transform: translateY(-3px);
}

.feature-icon-box svg {
    width: 20px;
    height: 20px;
}

.feature-text {
    font-size: 0.785rem;
    font-weight: 500;
    color: #e2e8f0;
    line-height: 1.25;
}

/* Bottom Tagline */
.brand-bottom-line {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.825rem;
    color: #94a3b8;
    letter-spacing: 0.06em;
}

/* ========================================================
   RIGHT SIDE: Clean White Login Form Panel
   ======================================================== */
.form-side {
    flex: 1;
    background: #ffffff;
    padding: 3.5rem 3.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

/* Top App Tagline with accent underline */
.form-header-badge {
    text-align: right;
    margin-bottom: 1.5rem;
}

.software-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #64748b;
    position: relative;
    padding-bottom: 4px;
}

.software-tag::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 2px;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* Welcome Titles */
.form-heading-area {
    margin-bottom: 1.75rem;
}

.welcome-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-title);
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.welcome-subtitle {
    font-size: 0.95rem;
    color: var(--text-body);
}

/* Role Selector Tabs (Admin vs Client) */
.role-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #f1f5f9;
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 1.5rem;
    gap: 4px;
}

.role-tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: #64748b;
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.role-tab-btn svg {
    width: 18px;
    height: 18px;
}

.role-tab-btn.active {
    background: #ffffff;
    color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.role-tab-btn:hover:not(.active) {
    color: var(--text-title);
}

/* Flash Messages */
.alert-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    line-height: 1.4;
    animation: fadeIn 0.3s ease;
}

.alert-box svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.alert-error {
    background: var(--alert-error-bg);
    border: 1px solid var(--alert-error-border);
    color: var(--alert-error-text);
}

.alert-success {
    background: var(--alert-success-bg);
    border: 1px solid var(--alert-success-border);
    color: var(--alert-success-text);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form Groups & Inputs */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.45rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: var(--transition);
}

.input-icon svg {
    width: 19px;
    height: 19px;
}

.form-input {
    width: 100%;
    height: 48px;
    padding: 0.75rem 1rem 0.75rem 2.85rem;
    background: var(--input-bg);
    border: 1.5px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-title);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-input:focus {
    background: #ffffff;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-input:focus ~ .input-icon {
    color: var(--primary-blue);
}

/* Password Eye Button */
.eye-btn {
    position: absolute;
    right: 0.85rem;
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.eye-btn:hover {
    color: var(--primary-blue);
}

.eye-btn svg {
    width: 19px;
    height: 19px;
}

/* Remember & Forgot Row */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.remember-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-body);
    user-select: none;
}

.remember-label input {
    accent-color: var(--primary-blue);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-btn {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.forgot-btn:hover {
    color: var(--primary-blue-hover);
    text-decoration: underline;
}

/* Primary Blue Action Button */
.btn-primary {
    width: 100%;
    height: 50px;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px -4px var(--primary-glow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px -4px rgba(37, 99, 235, 0.4);
    filter: brightness(1.05);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-primary .btn-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-primary.loading .btn-text,
.btn-primary.loading .btn-arrow {
    display: none;
}

.btn-primary.loading .btn-spinner {
    display: inline-block;
}

/* OR Divider */
.or-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.or-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e2e8f0;
}

.or-divider span {
    position: relative;
    background: #ffffff;
    padding: 0 1rem;
    font-size: 0.775rem;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 0.08em;
}

/* Security Trust Badge */
.security-notice {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.5rem 0;
}

.security-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.security-icon svg {
    width: 20px;
    height: 20px;
}

.security-text h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 2px;
}

.security-text p {
    font-size: 0.775rem;
    color: var(--text-muted);
}

/* Quick Demo Bar */
.demo-strip {
    margin-top: 1.25rem;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
}

.demo-strip-info {
    color: #64748b;
}

.demo-strip-info strong {
    color: var(--primary-blue);
}

.demo-auto-btn {
    background: #eff6ff;
    color: var(--primary-blue);
    border: 1px solid #bfdbfe;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.demo-auto-btn:hover {
    background: var(--primary-blue);
    color: #ffffff;
}

/* Modal Popup */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    max-width: 440px;
    width: 100%;
    padding: 2.25rem;
    position: relative;
    animation: modalScale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close-btn:hover {
    color: var(--text-title);
}

/* Responsive Media Queries */
@media (max-width: 960px) {
    .login-container {
        flex-direction: column;
        max-width: 520px;
        min-height: auto;
    }

    .brand-side {
        padding: 2.5rem 2rem;
        min-height: 280px;
    }

    .brand-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .form-side {
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1rem;
    }

    .brand-side {
        padding: 2rem 1.5rem;
    }

    .brand-features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-side {
        padding: 2rem 1.25rem;
    }

    .welcome-title {
        font-size: 1.65rem;
    }
}