@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --card-bg: rgba(22, 27, 34, 0.6);
    --card-border: rgba(48, 54, 61, 0.5);
    --primary-gradient: linear-gradient(135deg, #6e45e2 0%, #88d3ce 100%);
    --button-hover: linear-gradient(135deg, #5b35c9 0%, #75b5b1 100%);
    --accent: #58a6ff;
    --danger: #f85149;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* Dynamic background effect */
body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(110, 69, 226, 0.15) 0%, rgba(13, 17, 23, 0) 50%);
    z-index: -1;
    animation: rotate 60s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

h1,
h2,
h3 {
    color: #ffffff;
    font-weight: 700;
}

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

.form-control,
.form-control:focus {
    background-color: rgb(95 146 222 / 80%);
    border: 1px solid var(--card-border);
    color: #fff;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(88, 166, 255, 0.25);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(110, 69, 226, 0.4);
}

.btn-danger {
    background-color: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background-color: var(--danger);
    color: #fff;
    box-shadow: 0 4px 15px rgba(248, 81, 73, 0.4);
}

/* Navbar styles */
.navbar {
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-color) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #fff !important;
}

/* Result item styles */
.result-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s ease;
}

.result-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.short-url-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.short-url-link:hover {
    text-decoration: underline;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loader */
.loader {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid #6e45e2;
    width: 24px;
    height: 24px;
    -webkit-animation: spin 1s linear infinite;
    /* Safari */
    animation: spin 1s linear infinite;
    display: none;
    margin: 0 auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#qrcode img {
    margin: 0 auto;
    border-radius: 8px;
    border: 4px solid #fff;
}