/* Modern Theme CSS - SmartHR Style Colors */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #ff9b44;
    --primary-gradient: linear-gradient(135deg, #ff9b44 0%, #fc6076 100%);
    --secondary-color: #f093fb;
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-color: #4facfe;
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-color: #11998e;
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-color: #ff9b44;
    --warning-gradient: linear-gradient(135deg, #ff9b44 0%, #fc6076 100%);
    --danger-color: #fc466b;
    --danger-gradient: linear-gradient(135deg, #fc466b 0%, #3f5efb 100%);
    
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --white: #ffffff;
    --black: #000000;
    
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #bdc3c7;
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #ff9b44 0%, #fc6076 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-1 { font-size: 3.5rem; font-weight: 700; }
.display-2 { font-size: 3rem; font-weight: 700; }
.display-3 { font-size: 2.5rem; font-weight: 700; }
.display-4 { font-size: 2rem; font-weight: 700; }

/* Modern Card Styles */
.modern-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

/* Login Page Specific Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.login-card {
    width: 100%;
    max-width: 450px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 3rem 2.5rem;
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

/* Modern Form Styles */
.modern-form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.modern-form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.modern-form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.modern-form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 155, 68, 0.1);
    background: var(--white);
}

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

/* Modern Button Styles */
.modern-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-width: 120px;
}

.modern-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.modern-btn:hover::before {
    left: 100%;
}

.modern-btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.modern-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.modern-btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.modern-btn-link {
    background: transparent;
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.modern-btn-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.modern-btn-full {
    width: 100%;
    margin-bottom: 1rem;
}

/* Modern Checkbox */
.modern-checkbox {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.modern-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    accent-color: var(--primary-color);
}

.modern-checkbox label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
}

/* Alert Styles */
.modern-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: none;
    font-weight: 500;
}

.modern-alert-danger {
    background: linear-gradient(135deg, rgba(252, 70, 107, 0.1) 0%, rgba(63, 94, 251, 0.1) 100%);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.modern-alert-success {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.1) 0%, rgba(56, 239, 125, 0.1) 100%);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

/* Navigation Styles */
.modern-navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.modern-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modern-navbar .nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    transition: var(--transition);
    position: relative;
}

.modern-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
    transform: translateX(-50%);
}

.modern-navbar .nav-link:hover::after {
    width: 100%;
}

/* Footer Styles */
.modern-footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 2rem 0;
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-card {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 2rem;
    }
    
    .modern-btn {
        padding: 0.875rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem 1rem;
    }
    
    .login-title {
        font-size: 1.75rem;
    }
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
    margin-right: 0.5rem;
}

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

/* Utility Classes */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--primary-gradient);
}

.bg-gradient-secondary {
    background: var(--secondary-gradient);
}

.bg-gradient-accent {
    background: var(--accent-gradient);
}

.shadow-modern {
    box-shadow: var(--shadow-lg);
}

.rounded-modern {
    border-radius: var(--border-radius-lg);
}

.transition-modern {
    transition: var(--transition);
}

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Hover Effects */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Focus Styles */
.modern-focus:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 155, 68, 0.2);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Coming Soon Page Specific Animations */
@keyframes pulse {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}