@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&display=swap');
:root {
    --green-accent: #2EFF7B;
    --green-glow: rgba(46, 255, 123, 0.3);
    --green-shadow: rgba(46, 255, 123, 0.15);
    --text-primary: #FFFFFF;
    --text-secondary: #A0AEC0;
    --bg-dark: #0D0F12;
    --card-bg: #15181D;
    --input-bg: #0D0F12;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-deep: rgba(0, 0, 0, 0.5);
}

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

body.dark-theme {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.background-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--green-accent) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.08;
}

.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-card {
    background: linear-gradient(145deg, #1A1D22, #101216);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 60px var(--shadow-deep), 0 0 100px -20px var(--green-shadow);
}

.logo-header {
    margin-bottom: 1rem;
}

.super-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 4px;
    display: block;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
    color: var(--text-primary);
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

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

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 45px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--green-accent);
    box-shadow: 0 0 15px var(--green-glow);
}

.input-group input:focus+i {
    color: var(--green-accent);
}

.login-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--green-accent);
    color: var(--bg-dark);
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px var(--green-shadow);
    border: 2px solid transparent;
    cursor: pointer;
}

.login-button:hover {
    background-color: transparent;
    color: var(--green-accent);
    border-color: var(--green-accent);
    box-shadow: 0 0 30px var(--green-shadow), inset 0 0 20px var(--green-shadow);
}

.login-button:active {
    transform: scale(0.98);
    filter: brightness(0.9);
}

.error-message {
    color: #ff4d4d;
    font-size: 0.9rem;
    height: 20px;
    margin-bottom: 1rem;
    text-align: left;
}

.back-to-home {
    position: absolute;
    top: 2rem;
    left: 2rem;
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.back-to-home:hover {
    color: var(--green-accent);
    transform: scale(1.1);
    text-shadow: 0 0 15px var(--green-glow);
}


/* Responsive */

@media (max-width: 480px) {
    .login-card {
        padding: 2rem;
    }
    .section-title {
        font-size: 3rem;
    }
}