/* Globale Variablen & Reset */
:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --primary-color: #ec4899; /* Pink/Rose für Dating-Vibe */
    --secondary-color: #3b82f6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary { background-color: var(--primary-color); color: white; }
.btn-primary:hover { background-color: #db2777; opacity: 0.9; }
.btn-secondary { background-color: transparent; color: var(--text-main); border: 1px solid var(--text-muted); }
.btn-secondary:hover { background-color: rgba(255,255,255,0.1); }
.btn-block { width: 100%; display: block; }
.btn-large { padding: 1rem 2.5rem; font-size: 1.2rem; background-color: var(--primary-color) !important; color: white !important; }

/* Navbar Landingpage */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
}

/* Hier wird die Transparenz erzwungen, indem helle Bildanteile mit dem dunklen Hintergrund verschmolzen werden */
.logo { 
    height: 45px; 
    mix-blend-mode: lighten;
}
.logo-small { 
    height: 35px; 
    mix-blend-mode: lighten;
}

/* Hero Section */
.hero {
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
    background: radial-gradient(circle at center, #25143a 0%, var(--bg-color) 70%);
}
.hero h1 { font-size: 3rem; margin-bottom: 1rem; color: #fff; }
.hero p { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 2rem; }

/* Features */
.features { padding: 5rem 5%; text-align: center; }
.features h2 { margin-bottom: 3rem; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.feature-card { background-color: var(--card-bg); padding: 2rem; border-radius: 15px; }

/* Auth Seite */
.auth-body { display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.auth-container { background-color: var(--card-bg); padding: 2.5rem; border-radius: 20px; width: 100%; max-width: 400px; box-shadow: 0 10px 25px rgba(0,0,0,0.3); }
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo img { height: 50px; }
.auth-tabs { display: flex; margin-bottom: 2rem; border-bottom: 2px solid #334155; }
.tab-btn { flex: 1; padding: 0.75rem; background: none; border: none; color: var(--text-muted); font-size: 1rem; cursor: pointer; }
.tab-btn.active { color: var(--primary-color); border-bottom: 2px solid var(--primary-color); font-weight: bold; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-size: 0.9rem; color: var(--text-muted); }
.form-group input { width: 100%; padding: 0.75rem; border-radius: 8px; border: 1px solid #334155; background-color: var(--bg-color); color: white; }
.hidden { display: none !important; }

/* Dashboard & Cards */
.dashboard-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 5%; background-color: var(--card-bg); }
.dashboard-nav a { color: var(--text-muted); text-decoration: none; margin-left: 1.5rem; font-weight: 600; }
.dashboard-nav a.active { color: var(--primary-color); }
.dashboard-container { display: flex; justify-content: center; align-items: center; height: calc(100vh - 70px); }
.match-card { background-color: var(--card-bg); width: 350px; border-radius: 20px; overflow: hidden; box-shadow: 0 15px 30px rgba(0,0,0,0.5); }
.profile-image-placeholder { height: 350px; background-color: #334155; display: flex; justify-content: center; align-items: center; color: var(--text-muted); }
.profile-info { padding: 1.5rem; }
.status-dot { inline-size: 10px; block-size: 10px; background-color: #10b981; display: inline-block; border-radius: 50%; margin-left: 5px; }
.location { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.action-buttons { display: flex; justify-content: space-around; padding: 1rem; background-color: rgba(0,0,0,0.1); }
.btn-action { width: 60px; height: 60px; border-radius: 50%; border: none; font-size: 1.5rem; cursor: pointer; transition: transform 0.2s; }
.btn-action:hover { transform: scale(1.1); }
.dislike { background-color: #ef4444; color: white; }
.like { background-color: #10b981; color: white; }

footer { text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.9rem; }