/* Modern Login Page Styles */
:root {
    --primary-color: #4caf50;
    --primary-dark: #45a049;
    --primary-light: rgba(76, 175, 80, 0.1);
    --secondary-color: #4cc9f0;
    --text-dark: #333;
    --text-light: #666;
    --white: #fff;
    --error-color: #ff5252;
    --success-color: #4caf50;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
    --card-bg: rgba(255, 255, 255, 0.95);
    --navbar-height: 70px;
}

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

body {
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.page-wrapper {
    position: relative;
    width: 100%;
    height: calc(100vh - var(--navbar-height));
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    margin-top: 0;
}

/* Navigation Styles */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background-color: transparent;
    box-shadow: none;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(5px);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-logo i {
    color: white;
    margin-right: 0.5rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color var(--transition-speed) ease;
    position: relative;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: width var(--transition-speed) ease;
}

.nav-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.nav-links a:hover:after {
    width: 100%;
}

/* Particles.js background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.content-container {
    display: flex;
    width: 100%;
    max-width: 1200px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    overflow: hidden;
    z-index: 1;
}

/* Brand section */
.brand-section {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 3rem;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.brand-logo-container {
    margin-bottom: 2rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.brand-logo i {
    font-size: 2.5rem;
}

.brand-logo span {
    font-size: 2rem;
    font-weight: 700;
}

.brand-tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-top: 0.5rem;
    opacity: 0.9;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: auto;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature i {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.feature p {
    font-size: 1.1rem;
}

/* Login container */
.login-container {
    flex: 1;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    overflow: auto;
}

.login-header {
    text-align: left;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--text-dark);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.login-header p {
    color: var(--text-light);
    font-size: 1rem;
}

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

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-light);
    transition: color var(--transition-speed) ease;
    pointer-events: none;
}

.input-group input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 3rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
    background: var(--white);
}

.input-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    outline: none;
}

.input-group.focused i {
    color: var(--primary-color);
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    transition: color var(--transition-speed) ease;
}

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

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

/* Custom Checkbox */
.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.custom-checkbox input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: inline-block;
    position: relative;
    transition: all var(--transition-speed) ease;
}

.custom-checkbox input:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.custom-checkbox input:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.label-text {
    color: var(--text-light);
    font-size: 0.9rem;
}

.forgot-password a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-speed) ease;
}

.forgot-password a:hover {
    text-decoration: underline;
}

.submit-button {
    position: relative;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
    overflow: hidden;
}

.submit-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.button-text {
    transition: all var(--transition-speed) ease;
}

.button-icon {
    margin-left: 8px;
    transition: all var(--transition-speed) ease;
}

.submit-button:hover .button-icon {
    transform: translateX(4px);
}

.button-loader {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.submit-button.loading .button-text,
.submit-button.loading .button-icon {
    opacity: 0;
}

.submit-button.loading .button-loader {
    opacity: 1;
}

.submit-button.success {
    background: var(--success-color);
}

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

.create-account {
    text-align: center;
    margin-top: 1.5rem;
}

.create-account p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.create-account a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed) ease;
}

.create-account a:hover {
    text-decoration: underline;
}

/* Security note */
.security-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    color: var(--text-light);
    font-size: 0.85rem;
}

.security-note i {
    color: var(--success-color);
}

.error-message {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 82, 82, 0.1);
    border-left: 3px solid var(--error-color);
    color: var(--error-color);
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    animation: slideIn 0.3s ease;
}

.error-message.fade-out {
    animation: slideOut 0.3s ease forwards;
}

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

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

/* Responsive styles */
@media (max-width: 992px) {
    .content-container {
        flex-direction: column;
        max-width: 500px;
    }
    
    .brand-section {
        padding: 2rem;
    }
    
    .login-container {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .page-wrapper {
        padding: 0.5rem;
    }
    
    .content-container {
        border-radius: 12px;
    }
    
    .brand-section {
        padding: 1.5rem;
    }
    
    .login-container {
        padding: 1.5rem;
    }
    
    .login-header h1 {
        font-size: 1.75rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .forgot-password {
        width: 100%;
        text-align: right;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .button-icon {
        transform: none !important;
    }
}

.input-group input:focus-visible {
    outline: none;
}

@media (prefers-contrast: high) {
    :root {
        --primary-color: #0033cc;
        --primary-dark: #002299;
        --border-color: #000000;
        --text-light: #444444;
    }
    
    .custom-checkbox .checkmark {
        border-color: #000;
    }
    
    .input-group input {
        border-color: #000;
    }
}