/* Custom Weather App Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1d4ed8;
    --accent-color: #60a5fa;
    --light-blue: #dbeafe;
    --dark-blue: #1e40af;
    --text-dark: #1e3a8a;
    --text-light: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 50%, #1e40af 100%);
    --secondary-gradient: linear-gradient(45deg, #60a5fa 0%, #3b82f6 100%);
    --card-gradient: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(219,234,254,0.9) 100%);
    --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --card-hover-shadow: 0 32px 64px -12px rgba(59, 130, 246, 0.4);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
}

.weather-bg {
    background: var(--bg-gradient);
    min-height: 100vh;
    position: relative;
}

.weather-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(96, 165, 250, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 40%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(29, 78, 216, 0.3) 0%, transparent 50%),
        linear-gradient(45deg, rgba(219, 234, 254, 0.1) 0%, rgba(147, 197, 253, 0.1) 100%);
    opacity: 0.8;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.weather-container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.card {
    backdrop-filter: blur(20px);
    background: var(--card-gradient);
    border: 2px solid rgba(59, 130, 246, 0.2);
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary-gradient);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(59, 130, 246, 0.4);
}

.card-header {
    background: var(--bg-gradient) !important;
    border: none;
}

.search-section {
    position: relative;
}

.input-group-lg .form-control {
    border-radius: 0.75rem 0 0 0.75rem;
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-right: none;
    padding: 1.2rem 1.5rem;
    font-size: 1.1rem;
    background: rgba(219, 234, 254, 0.5);
    transition: all 0.3s ease;
}

.input-group-lg .form-control:focus {
    box-shadow: 0 0 0 0.3rem rgba(59, 130, 246, 0.25);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.input-group-lg .form-control::placeholder {
    color: var(--text-light);
    font-weight: 500;
}

.input-group-text {
    border-radius: 0.75rem 0 0 0.75rem;
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-right: none;
    padding: 1.2rem 1.25rem;
    background: var(--secondary-gradient);
    color: white;
}

.btn-primary {
    background: var(--secondary-gradient);
    border: 2px solid var(--primary-color);
    border-radius: 0 0.75rem 0.75rem 0;
    padding: 1.2rem 2rem;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #1d4ed8 0%, #2563eb 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

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

.btn-primary:active {
    transform: translateY(-1px) scale(1.02);
}

.location-name {
    color: var(--text-dark);
    font-weight: 800;
    font-size: 2.8rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
    margin-bottom: 0.5rem;
}

.location-details {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 600;
}

.last-updated {
    font-size: 0.95rem;
    opacity: 0.8;
    color: var(--text-light);
    font-weight: 500;
}

.current-weather {
    padding: 1.5rem;
    position: relative;
}

.weather-icon {
    width: 140px;
    height: 140px;
    filter: drop-shadow(0 8px 16px rgba(59, 130, 246, 0.3));
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.temperature {
    color: var(--primary-color);
    font-size: 4.5rem !important;
    font-weight: 900;
    text-shadow: 0 4px 8px rgba(59, 130, 246, 0.2);
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.temperature::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.condition {
    font-size: 1.4rem;
    font-weight: 600;
    text-transform: capitalize;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feels-like {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 600;
}

.feels-like-temp {
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 0 2px 4px rgba(96, 165, 250, 0.3);
}

.weather-details {
    padding: 1.5rem;
}

.weather-stat {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(219, 234, 254, 0.8) 0%, rgba(147, 197, 253, 0.6) 100%);
    border-radius: 1rem;
    border-left: 5px solid var(--primary-color);
    border: 2px solid rgba(59, 130, 246, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.weather-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s;
}

.weather-stat:hover {
    transform: translateX(8px) translateY(-4px);
    box-shadow: 0 12px 25px rgba(59, 130, 246, 0.25);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(147, 197, 253, 0.9) 0%, rgba(96, 165, 250, 0.7) 100%);
}

.weather-stat:hover::before {
    left: 100%;
}

.weather-stat i {
    font-size: 1.8rem;
    margin-right: 1rem;
    width: 28px;
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-dark);
    text-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.weather-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(219, 234, 254, 0.9) 50%, rgba(147, 197, 253, 0.8) 100%);
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 1.25rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.weather-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

.weather-card:hover {
    transform: translateY(-8px) rotate(2deg) scale(1.05);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(219, 234, 254, 0.95) 50%, rgba(147, 197, 253, 0.9) 100%);
    border-color: var(--primary-color);
}

.weather-card:hover::before {
    left: 100%;
}

.weather-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.weather-card .value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.weather-card .label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(248, 113, 113, 0.05) 100%);
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: 1rem;
    color: #dc2626;
    padding: 1.25rem;
    font-weight: 600;
}

.spinner-border {
    width: 3.5rem;
    height: 3.5rem;
    border-width: 0.4rem;
    border-color: var(--primary-color);
    border-right-color: transparent;
    animation: spin 1s linear infinite, pulse-border 2s ease-in-out infinite;
}

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

@keyframes pulse-border {
    0%, 100% { border-width: 0.4rem; }
    50% { border-width: 0.6rem; }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.weather-display {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#weatherDisplay:not(.d-none) {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.weather-stat:nth-child(odd) {
    animation: slideInLeft 0.6s ease-out;
}

.weather-stat:nth-child(even) {
    animation: slideInRight 0.6s ease-out;
}

.weather-card {
    animation: fadeInUp 0.8s ease-out;
}

.weather-card:nth-child(1) { animation-delay: 0.1s; }
.weather-card:nth-child(2) { animation-delay: 0.2s; }
.weather-card:nth-child(3) { animation-delay: 0.3s; }
.weather-card:nth-child(4) { animation-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 768px) {
    .weather-container {
        margin: 1rem;
    }
    
    .location-name {
        font-size: 2.2rem;
    }
    
    .temperature {
        font-size: 3.5rem !important;
    }
    
    .weather-icon {
        width: 100px;
        height: 100px;
    }
    
    .input-group-lg .form-control {
        font-size: 1rem;
        padding: 1rem 1.25rem;
    }
    
    .btn-primary {
        padding: 1rem 1.5rem;
    }
    
    .weather-stat {
        padding: 0.75rem;
    }
    
    .weather-card {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 2rem 1.5rem !important;
    }
    
    .location-name {
        font-size: 1.8rem;
    }
    
    .temperature {
        font-size: 3rem !important;
    }
    
    .weather-icon {
        width: 80px;
        height: 80px;
    }
    
    .weather-stat {
        padding: 0.75rem;
        border-radius: 0.75rem;
    }
    
    .weather-stat i {
        font-size: 1.4rem;
        margin-right: 0.75rem;
    }
    
    .stat-value {
        font-size: 1.1rem;
    }
    
    .weather-card {
        padding: 1rem;
        border-radius: 1rem;
    }
    
    .weather-card i {
        font-size: 2rem;
    }
    
    .weather-card .value {
        font-size: 1.2rem;
    }
    
    .input-group-lg .form-control {
        padding: 0.875rem 1rem;
        border-radius: 0.5rem 0 0 0.5rem;
    }
    
    .input-group-text {
        padding: 0.875rem 1rem;
        border-radius: 0.5rem 0 0 0.5rem;
    }
    
    .btn-primary {
        padding: 0.875rem 1.25rem;
        border-radius: 0 0.5rem 0.5rem 0;
    }
}

/* Loading animation */
.loading-pulse {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% {
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
    }
    100% {
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
}

/* Additional blue-themed enhancements */
.card-header h1 {
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    font-weight: 800;
}

.search-section {
    position: relative;
}

.search-section::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
    opacity: 0.7;
}

/* Icon color customizations */
.fa-eye { color: #3b82f6 !important; }
.fa-tint { color: #1d4ed8 !important; }
.fa-wind { color: #60a5fa !important; }
.fa-thermometer-half { color: #2563eb !important; }
.fa-sun { color: #f59e0b !important; }
.fa-cloud { color: #64748b !important; }
.fa-umbrella { color: #06b6d4 !important; }
.fa-temperature-low { color: #1e40af !important; }
.fa-search { color: white !important; }
.fa-location-arrow { color: white !important; }
.fa-map-marker-alt { color: var(--accent-color) !important; }
.fa-cloud-sun { color: #f59e0b !important; }

/* Hover effects for interactive elements */
.location-info:hover .location-name {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.current-weather:hover .temperature {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}