/* ============================================
   NANIVOLT AUTH PAGES - BEAUTIFUL DESIGN
   Similar to iLovePDF with stunning animations
   ============================================ */

@import url('theme.css');

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-slide-left {
    animation: slideLeft 0.8s ease-out;
}

.animate-slide-right {
    animation: slideRight 0.8s ease-out;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */

.auth-header {
    padding: 24px 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.logo-link {
    display: inline-block;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo {
    height: 36px;
    width: auto;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    position: relative;
    overflow: hidden;
}

.auth-main::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.auth-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* ============================================
   FORM SECTION
   ============================================ */

.auth-form-section {
    background: var(--surface);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.auth-form-wrapper {
    max-width: 420px;
    margin: 0 auto;
}

.auth-header-text {
    margin-bottom: 32px;
    text-align: center;
}

.auth-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 16px;
    color: var(--text-light);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.auth-form {
    animation: fadeIn 0.6s ease-out 0.3s both;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--text);
    background: var(--surface);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.forgot-link {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: var(--primary-dark);
}

.auth-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.auth-footer-text {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-light);
}

/* ============================================
   PASSWORD STRENGTH
   ============================================ */

.password-strength {
    margin-top: 8px;
    height: 4px;
    background: var(--border);
    border-radius: 999px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0;
    background: var(--danger);
    transition: all 0.3s ease;
    border-radius: 999px;
}

.strength-bar.weak {
    width: 33%;
    background: var(--danger);
}

.strength-bar.medium {
    width: 66%;
    background: var(--warning);
}

.strength-bar.strong {
    width: 100%;
    background: var(--success);
}

/* ============================================
   SOCIAL LOGIN BUTTONS
   ============================================ */

.social-login-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.social-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.social-btn:hover {
    border-color: var(--border-hover);
    background: var(--background);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

.social-btn svg {
    flex-shrink: 0;
}

/* ============================================
   DIVIDER
   ============================================ */

.divider {
    position: relative;
    text-align: center;
    margin: 24px 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.divider span {
    position: relative;
    display: inline-block;
    padding: 0 16px;
    background: var(--surface);
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    font-size: 20px;
    animation: pulse 2s infinite;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   VISUAL SECTION
   ============================================ */

.auth-visual-section {
    padding: 40px;
}

.auth-visual-content {
    max-width: 480px;
}

.visual-icon {
    font-size: 72px;
    margin-bottom: 24px;
    animation: float 3s ease-in-out infinite;
}

.visual-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.visual-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* ============================================
   BENEFITS LIST
   ============================================ */

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

/* ============================================
   STATS SHOWCASE
   ============================================ */

.stats-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.stat-box {
    padding: 24px;
    background: var(--surface);
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 600;
}

/* ============================================
   TESTIMONIAL
   ============================================ */

.testimonial {
    margin-top: 32px;
    padding: 24px;
    background: var(--surface);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 12px;
    line-height: 1.6;
}

.testimonial-author {
    font-size: 14px;
    color: var(--text);
    font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */

.auth-footer {
    padding: 32px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-text {
    font-size: 14px;
    color: var(--text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 968px) {
    .auth-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .auth-visual-section {
        order: -1;
        padding: 20px;
    }
    
    .visual-title {
        font-size: 28px;
    }
    
    .visual-description {
        font-size: 16px;
    }
    
    .auth-form-section {
        padding: 32px 24px;
    }
    
    .auth-title {
        font-size: 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-main {
        padding: 40px 0;
    }
    
    .auth-form-section {
        padding: 24px 20px;
        border-radius: 16px;
    }
    
    .auth-title {
        font-size: 24px;
    }
    
    .auth-subtitle {
        font-size: 14px;
    }
    
    .visual-title {
        font-size: 24px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* ============================================
   ERROR & SUCCESS STATES
   ============================================ */

.form-error {
    border-color: var(--danger) !important;
}

.error-message {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--danger);
    font-weight: 500;
}

.success-message {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--success);
    font-weight: 500;
}

/* ============================================
   LOADING STATE
   ============================================ */

.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading .btn-icon {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}