/* ==========================================
   Modern Professional Stylesheet
   Clean, Simple & Attractive Design
   ========================================== */


/* CSS Variables */

:root {
    --primary-blue: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-blue: #0ea5e9;
    --accent-color: #6366f1;
    --success-green: #10b981;
    --warning-amber: #f59e0b;
    --error-red: #ef4444;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 4px 24px rgba(37, 99, 235, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}


/* Reset & Base */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1 0 auto;
    padding: 0 15px 0;
}


/* Typography */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}


/* ==========================================
   Header Styles
   ========================================== */

.header-main {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    padding: 0 15px 0;
}

.header-sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-search {
    font-size: 18px;
    color: var(--text-primary);
    cursor: pointer;
}

.header-login {
    text-decoration: none;
    font-weight: 500;
    color: var(--text-primary);
}


/* Hamburger Menu */

.hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 10px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.hamburger-menu:hover {
    background: var(--bg-tertiary);
}

.hamburger-menu .bar {
    width: 22px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
    display: block;
}

.lang-selector {
    background-color: var(--bg-tertiary);
    padding: 8px 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.lang-current {
    font-weight: 600;
    color: var(--text-primary);
}

.lang-link {
    color: var(--primary-blue);
    text-decoration: none;
}


/* ==========================================
   Card Styles
   ========================================== */

.main-card-container {
    padding: 24px 16px;
    max-width: 560px;
    margin: 0 auto;
    position: relative;
}


/* Decorative background elements */

.main-card-container::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.main-card-container::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.main-card {
    max-width: 480px;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 10px 20px -5px rgba(37, 99, 235, 0.12), 0 25px 50px -12px rgba(0, 0, 0, 0.08);
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
    position: relative;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}


/* Subtle gradient border effect */

.main-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-color), var(--secondary-blue));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.main-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 15px 30px -5px rgba(37, 99, 235, 0.18), 0 30px 60px -15px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.main-card:hover::before {
    opacity: 1;
}


/* Banner image inside card */

.main-card .card-banner,
.main-card>div:first-child {
    position: relative;
    overflow: hidden;
}

.main-card .card-banner img,
.main-card>div:first-child img {
    transition: transform var(--transition-slow);
}

.main-card:hover .card-banner img,
.main-card:hover>div:first-child img {
    transform: scale(1.02);
}


/* Card Header */

.main-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
}

.main-card-header-text {
    flex: 1;
}

.main-card-header-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.main-card-header-desc {
    margin: 6px 0 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.main-card-header-logo {
    margin-left: 16px;
    flex-shrink: 0;
}

.main-card-header-logo img {
    height: 44px;
    width: auto;
}


/* Card Form Section */

.main-card-form-section {
    padding: 28px 24px 32px;
}


/* ==========================================
   Section Card Styles
   ========================================== */

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.section-icon-box {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.section-icon-box i {
    color: white;
    font-size: 20px;
}

.section-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

.section-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 1.5rem;
}

.section-amount-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    border: 1px solid var(--border-light);
    margin-bottom: 16px;
}

.section-amount-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.section-amount-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.section-info-note {
    display: flex;
    align-items: flex-start;
    background: #fffbeb;
    border-radius: 10px;
    padding: 12px 14px;
    border: 1px solid #fef3c7;
}

.section-info-note i {
    color: var(--warning-amber);
    margin-right: 10px;
    margin-top: 2px;
    font-size: 14px;
    flex-shrink: 0;
}

.section-info-note p {
    color: #92400e;
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

.section-card {
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
    padding: 24px;
    border: 1px solid var(--border-light);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
    font-weight: 700;
    margin-right: 12px;
}

.step-bubble {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 12px;
}

.small-muted {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

.gap-18 {
    gap: 18px;
}


/* ==========================================
   Form Styles
   ========================================== */

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

.form-group-custom:last-child {
    margin-bottom: 28px;
}

.form-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    transition: all var(--transition-fast);
}

.form-input-wrapper:hover {
    border-color: var(--border-medium);
}

.form-input-wrapper:focus-within {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    background: var(--bg-primary);
}

.form-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    color: var(--text-primary);
    background: transparent;
    font-family: inherit;
}

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

.form-input-icon {
    margin-right: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.form-phone-flag {
    margin-right: 10px;
    white-space: nowrap;
}


/* Submit Button */

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-blue) 100%);
}

.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

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


/* International Tel Input Fixes */

.iti {
    width: 100%;
}

.iti .iti__tel-input {
    padding-left: 40px;
    width: 100%;
}

.iti__country-container {
    padding-left: 0;
}

.fullwidth {
    width: 100%;
}


/* ==========================================
   Loading & Spinner
   ========================================== */

#splash-screen {
    position: fixed;
    z-index: 99999;
    background: var(--bg-primary);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: none;
    opacity: 0;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

#splash-screen .spinner {
    width: 56px;
    height: 56px;
    border-width: 4px;
}

#loader {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(4px);
    z-index: 9999;
}

#loader .spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}


/* ==========================================
   Footer Styles
   ========================================== */

.footer-img-container {
    position: relative;
    text-align: left;
    max-width: 500px;
}

.footer-img {
    width: 100%;
}

footer {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 32px 16px;
    flex-shrink: 0;
}

.footer-container {
    max-width: 920px;
    margin: 0 auto;
}

.footer-logo {
    width: 150px !important;
    margin-right: 12px;
}

.footer-brand-title {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

.footer-brand-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 16px 0;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    font-size: 13px;
}

.footer-links {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}


/* ==========================================
   Card Banner Styles
   ========================================== */

.card-banner {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.card-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}


/* ==========================================
   Form Label Styles
   ========================================== */

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

.form-label i {
    margin-right: 8px;
    color: var(--primary-blue);
}

.form-label-muted i {
    color: var(--text-secondary);
}

.form-label-optional {
    color: var(--text-muted);
    font-weight: 400;
}


/* ==========================================
   Verification Icon Styles
   ========================================== */

.verification-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.verification-icon i {
    font-size: 28px;
    color: white;
}

.verification-icon-success {
    background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
}

.verification-header {
    text-align: center;
    margin-bottom: 20px;
}

.verification-title {
    text-align: center;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0;
}

.verification-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 8px;
    margin-bottom: 0.5rem;
}

.phone-display {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 15px;
}


/* ==========================================
   OTP Input Styles
   ========================================== */

.otp-container {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.otp-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    transition: all var(--transition-fast);
}

.otp-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    outline: none;
}

@media (max-width: 380px) {
    .otp-input {
        width: 40px;
        height: 48px;
        font-size: 1.25rem;
    }
}


/* ==========================================
   Error Message Styles
   ========================================== */

.error-message {
    color: var(--error-red);
    font-size: 14px;
    text-align: center;
    display: none;
}

.error-message-inline {
    margin-top: 12px;
}

.error-box {
    color: var(--error-red);
    text-align: center;
    font-size: 14px;
    margin-bottom: 16px;
    padding: 12px;
    background: #fef2f2;
    border-radius: var(--radius-sm);
    display: none;
}

.error-box i {
    margin-right: 8px;
}


/* ==========================================
   Display Field Styles
   ========================================== */

.display-field {
    margin-bottom: 16px;
}

.display-value {
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    font-weight: 500;
}


/* ==========================================
   File Upload Styles
   ========================================== */

.file-upload-area {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
    margin-bottom: 20px;
}

.file-upload-area:hover {
    border-color: var(--primary-blue);
    background: rgba(37, 99, 235, 0.02);
}

.file-upload-area label {
    cursor: pointer;
    display: block;
}

.file-upload-icon {
    font-size: 32px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.file-upload-text {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.file-preview {
    margin-top: 12px;
    display: none;
}

.file-preview img {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}


/* ==========================================
   Button Variants
   ========================================== */

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 1rem;
}

.btn-flex {
    flex: 1;
}

.btn-icon {
    margin-right: 8px;
}


/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 576px) {
    .header-top {
        padding: 12px 16px;
    }
    .header-logo img {
        height: 40px;
    }
    .main-card-container {
        padding: 16px 12px;
    }
    .main-card-container::before,
    .main-card-container::after {
        display: none;
    }
    .main-card {
        margin: 0 auto;
        border-radius: var(--radius-lg);
    }
    .main-card:hover {
        transform: none;
    }
    .main-card-form-section {
        padding: 24px 20px 28px;
    }
    .submit-btn {
        padding: 13px 20px;
        font-size: 14px;
    }
}


/* ==========================================
   Animation Classes
   ========================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

.slide-up {
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}


/* Card entrance animation */

.main-card.fade-in {
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-content {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    font-size: 13px;
    color: #555;
    margin: 0;
}


/* Toast */

#toast-container {
    position: fixed;
    top: 115px;
    right: 10px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fullwidth {
    width: 100% !important;
}