:root {
    --primary: #000000;
    --primary-hover: #333333;
    --secondary: #f97316;
    --secondary-hover: #ea580c;
    --text-main: #000000;
    --text-muted: #475569;
    --border: rgba(0, 0, 0, 0.1);
    --background: #FFFFFF;
    --surface: #FFFFFF;
    --radius: 16px;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    --glow: 0 0 20px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: #FFFFFF;
    min-height: 100vh;
    color: var(--text-main);
    line-height: 1.6;
}

/* Container & Card Defaults */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    border: 1px solid var(--border);
}

.logo {
    height: 75px;
    width: auto;
    margin-bottom: 32px;
    border-radius: 12px;
    object-fit: contain;
}

/* Login Page Styles */
.login-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    text-align: center;
    animation: fadeInUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    margin: 0 auto;
    border: 1px solid var(--border);
}

.login-header {
    margin-bottom: 32px;
}

.login-card h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0 0 8px 0;
    letter-spacing: -0.025em;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.form-group {
    margin-bottom: 24px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f1f5f9;
    color: var(--text-main);
}

.password-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--glow);
    background: #ffffff;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: var(--text-main);
}

.forgot-password {
    display: block;
    text-align: right;
    margin-top: 12px;
    font-size: 0.875rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.forgot-password:hover {
    color: var(--primary-hover);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.login-footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.secure-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 16px;
    border-radius: 9999px;
    margin-top: 16px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

/* Payment Page Styles */
.title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 12px;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.qr-container {
    background: #f8fafc;
    padding: 24px;
    border-radius: 24px;
    display: inline-block;
    margin-bottom: 32px;
    border: 2px dashed var(--border);
    position: relative;
}

.qr-code {
    width: 220px;
    height: 220px;
    display: block;
    border-radius: 12px;
}

.amount-display {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 24px 0;
    text-shadow: none;
}

.auth-input {
    width: 120px;
    padding: 12px;
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 8px;
    background: #f1f5f9;
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-weight: 700;
    transition: all 0.3s ease;
}

.auth-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--glow);
    background: #ffffff;
}

.whatsapp-btn {
    background: #25D366;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    width: 100%;
}

.whatsapp-btn:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

/* Onboarding Form Styles (Index) */
.form-section {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 32px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    text-align: left;
    border: 1px solid var(--border);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
}

.section-number {
    background: var(--primary);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group.full {
    grid-column: span 2;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f1f5f9;
    color: var(--text-main);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--glow);
    background: #ffffff;
}

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

input[type="checkbox"]:disabled {
    accent-color: #000000;
    opacity: 1;
    cursor: not-allowed;
}

.radio-group,
.checkbox-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.radio-option:hover,
.checkbox-option:hover {
    color: var(--text-main);
}

button[type="submit"] {
    background: var(--primary);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 999px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: 32px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

button[type="submit"]:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Premium Input Styles */
.premium-input {
    background: #f1f5f9;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

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

.password-wrapper:focus-within .password-toggle {
    color: var(--primary);
}

/* Terms Box */
.terms-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    text-align: left;
    margin-bottom: 24px;
}

.terms-box h3 {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.terms-box p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
    color: var(--text-main);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}