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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.login-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ============================================
   HEADER DEL LOGIN
   ============================================ */
.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .icon-doctor {
    font-size: 48px;
    margin-bottom: 10px;
}

.login-header h1 {
    color: #2d3748;
    font-size: 24px;
    font-weight: 700;
}

.login-header .subtitle {
    color: #718096;
    font-size: 14px;
    font-weight: 500;
    margin-top: 4px;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-container {
    display: none;
}

.form-container.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.form-container h2 {
    color: #2d3748;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

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

.form-group label {
    display: block;
    color: #4a5568;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.2s;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-hint {
    display: block;
    color: #718096;
    font-size: 12px;
    margin-top: 4px;
}

/* ============================================
   OPCIONES DEL FORMULARIO
   ============================================ */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #4a5568;
    cursor: pointer;
}

.form-options a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.form-options a:hover {
    text-decoration: underline;
}

/* ============================================
   BOTONES
   ============================================ */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

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

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

/* ============================================
   FOOTER DEL FORMULARIO
   ============================================ */
.form-footer {
    text-align: center;
    margin-top: 20px;
    color: #718096;
    font-size: 14px;
}

.form-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

.info-text {
    color: #718096;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ============================================
   MENSAJES
   ============================================ */
.error-message {
    background: #fed7d7;
    color: #c53030;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.success-message {
    background: #c6f6d5;
    color: #276749;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
    .login-container {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}