:root {
    --primary-color: #007AFF;
    --bg-color: #f2f2f7;
    --card-bg: #ffffff;
    --text-main: #1c1c1e;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: sans-serif; }

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding-bottom: 80px; /* Platz für Tab-Bar */
}

/* Update für style.css */

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 15vh; /* Schiebt alles ein Stück runter von oben */
    min-height: 100vh;
    background: var(--bg-color);
}

.login-header {
    text-align: center;
    margin-bottom: 40px; /* Luft unter dem Logo/Titel */
}

.login-header h1 {
    font-size: 2.2rem;
    letter-spacing: -1px;
    margin-bottom: 5px;
}

.form-title {
    text-align: center;
    margin-bottom: 25px; /* Luft zwischen "Login" Wort und dem ersten Feld */
    color: var(--primary-color);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.login-card {
    width: 90%;
    max-width: 380px;
    padding: 30px;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 25px; /* Mehr Platz zwischen den Eingabefeldern */
}

.form-group label {
    font-weight: 500;
    color: #444;
    margin-bottom: 10px;
}

.form-group input {
    background: #fdfdfd;
    border: 1px solid #ceced2;
    padding: 15px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Komponenten */
.card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.app-header {
    background: white;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
}

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; margin-bottom: 8px; font-weight: 600; }
.form-group input {
    width: 100%;
    padding: 14px;
    border: 1px solid #d1d1d6;
    border-radius: 10px;
    font-size: 1rem;
    background: #f9f9f9;
}

.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
}

/* Tab Bar */
.tab-bar {
    position: fixed;
    bottom: 0; width: 100%;
    height: 70px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid #ddd;
}

.tab-item { text-decoration: none; color: #888; text-align: center; font-size: 0.75rem; }
.tab-item.active { color: var(--primary-color); }
.tab-item .icon { display: block; font-size: 1.5rem; }

.alert-danger { color: #d00; background: #fee; padding: 10px; border-radius: 8px; margin-bottom: 15px; text-align: center; }