:root {
    --primary-blue: #1A237E;
    --primary-dark: #121858;
    --primary-teal: #0A8778;
    --accent-red: #D32F2F;
    --bg-light: #F8F9FD;
    --text-main: #102027;
    --text-muted: #546E7A;
    --text-dark: #002e2c;
    --white: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
}

.premium-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background-color: var(--primary-blue);
    padding: 2rem 1rem;
    color: var(--white);
    text-align: center;
    border-radius: 0 0 40px 40px;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.logo-container {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 16px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.logo-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.card {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
}

.btn-danger {
    background-color: var(--accent-red);
    color: var(--white);
}

.input-group {
    margin-bottom: 1.5rem;
}

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

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E1E8EE;
    border-radius: 12px;
    outline: none;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    border-color: var(--primary-blue);
}

.tabs {
    display: flex;
    background: #E1E8EE;
    padding: 4px;
    border-radius: 14px;
    margin-bottom: 2rem;
}

.tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    border-radius: 10px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.tab.active {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Premium Background Bubbles */
.background-bubbles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-light);
    pointer-events: none;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 20s infinite alternate ease-in-out;
}

.bubble-1 {
    width: 400px;
    height: 400px;
    background: #E8EAF6;
    top: -100px;
    right: -100px;
}

.bubble-2 {
    width: 300px;
    height: 300px;
    background: #FFEBEE;
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

.bubble-3 {
    width: 250px;
    height: 250px;
    background: #E1F5FE;
    top: 40%;
    left: 15%;
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, 50px) scale(1.1);
    }
}