:root {
    --primary-color: #0b2265; /* RBI deep blue */
    --primary-hover: #16368c;
    --success-color: #10b981;
    --success-bg: #d1fae5;
    --failure-color: #ef4444;
    --failure-bg: #fee2e2;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --bg-main: #f3f4f6;
    --bg-card: rgba(255, 255, 255, 0.9);
    --border-color: #e5e7eb;
}

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

body {
    background-color: var(--bg-main);
    background-image: radial-gradient(circle at top right, #e0e7ff, transparent),
                      radial-gradient(circle at bottom left, #dbeafe, transparent);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 450px;
}

.header {
    text-align: center;
    margin-bottom: 24px;
}

.logo {
    width: 80px;
    height: auto;
    margin-bottom: 12px;
}

.header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hidden {
    display: none !important;
}

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

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: #fff;
}

input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 34, 101, 0.1);
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    margin-top: 24px;
}

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

.primary-btn:active {
    transform: scale(0.98);
}

.secondary-btn {
    background-color: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    margin-top: 24px;
}

.secondary-btn:hover {
    background-color: #f9fafb;
}

.result-message {
    text-align: center;
    animation: fadeIn 0.5s ease;
}

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

.icon-container {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
}

.icon-container svg {
    width: 32px;
    height: 32px;
}

.success-icon {
    background-color: var(--success-bg);
    color: var(--success-color);
}

.failure-icon {
    background-color: var(--failure-bg);
    color: var(--failure-color);
}

.result-message h2 {
    font-size: 22px;
    margin-bottom: 8px;
}

#success-message h2 { color: var(--success-color); }
#failure-message h2 { color: var(--failure-color); }

.result-message p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 24px;
}

.user-details {
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 16px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.user-details p {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-primary);
}

.user-details p:last-child {
    margin-bottom: 0;
}

/* Loader */
.loader {
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top: 3px solid white;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}