:root {
    --primary-color: #00457C; /* Based on the logo's dark blue */
    --primary-light: #006BB8;
    --secondary-color: #00A3E0; /* Based on the logo's light blue */
    --text-main: #333333;
    --text-muted: #6B7280;
    --bg-main: #F3F4F6;
    --bg-card: #FFFFFF;
    --border-color: #E5E7EB;
    --focus-ring: rgba(0, 163, 224, 0.3);
    --error-color: #EF4444;
    --success-color: #10B981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    display: flex;
    width: 100%;
    max-width: 1200px;
    height: 100vh;
    background-color: var(--bg-card);
    overflow: hidden;
}

@media (min-width: 992px) {
    .login-container {
        height: 650px;
        border-radius: 24px;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
        margin: 2rem;
    }
}

/* Left Side - Branding */
.login-left {
    display: none;
    flex: 1;
    background: linear-gradient(135deg, rgba(0, 69, 124, 0.85) 0%, rgba(0, 107, 184, 0.7) 100%), url('../img/doctors.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .login-left {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 4rem;
    }
}

.login-left::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 60%);
    transform: rotate(30deg);
}

.brand-showcase {
    position: relative;
    z-index: 1;
    color: white;
}

.brand-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.brand-text p {
    font-size: 1.1rem;
    font-weight: 300;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 400px;
}

/* Right Side - Form */
.login-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-color: var(--bg-card);
}

.login-form-container {
    width: 100%;
    max-width: 420px;
}

.logo-container {
    text-align: center;
    margin-top: -4.5rem;
    margin-bottom: -4rem;
}

.logo-container img {
    max-width: 280px;
    height: auto;
}

.form-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.input-wrapper input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background-color: #FAFAFA;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 4px var(--focus-ring);
    background-color: #FFFFFF;
}

.input-wrapper input:focus + i,
.input-wrapper input:focus ~ i {
    color: var(--secondary-color);
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

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

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: -0.5rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remember-me input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.remember-me label {
    font-size: 0.875rem;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 69, 124, 0.2);
}

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

.form-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

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

.login-form-container {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Custom Alert Styles */
.custom-alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.custom-alert-overlay.show {
    opacity: 1;
    visibility: visible;
}

.custom-alert-box {
    background-color: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    text-align: center;
    max-width: 400px;
    width: 90%;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.custom-alert-overlay.show .custom-alert-box {
    transform: scale(1) translateY(0);
}

.custom-alert-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.custom-alert-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.custom-alert-message {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.custom-alert-btn {
    width: 100%;
    padding: 0.875rem;
    border-radius: 10px;
}