:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --primary-light: #EEF2FF;
    --dark: #0F172A;
    --text-main: #475569;
    --text-light: #94A3B8;
    --bg-white: #FFFFFF;
    --bg-gray: #F8FAFC;
    --border: #E2E8F0;
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--primary-light) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 480px;
}

.card {
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 40px;
    animation: fadeIn 0.5s ease-out;
}

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

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--primary);
}

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

.header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

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

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg-white);
    color: var(--dark);
    transition: all 0.2s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-group.error input,
.form-group.error select {
    border-color: var(--error);
}

.form-group .error-message {
    color: var(--error);
    font-size: 13px;
    margin-top: 4px;
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.honeypot {
    position: absolute;
    left: -9999px;
}

.btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--bg-white);
    background: var(--primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.btn .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

.btn.loading .spinner {
    display: block;
}

.btn.loading .btn-text {
    display: none;
}

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

/* Success State */
.success-state {
    display: none;
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 0.5s ease-out;
}

.success-state.show {
    display: block;
}

.success-icon {
    width: 72px;
    height: 72px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    animation: scaleIn 0.4s ease-out 0.2s both;
}

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

.success-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.success-state h2 {
    font-size: 24px;
    color: var(--dark);
    margin-bottom: 8px;
}

.success-state p {
    color: var(--text-light);
    font-size: 16px;
}

/* Error Alert */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.alert.show {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.alert.alert-error {
    background: #FEF2F2;
    color: var(--error);
    border: 1px solid #FECACA;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 480px) {
    .card {
        padding: 28px 20px;
    }

    .header h1 {
        font-size: 24px;
    }
}