/* ===================================================================
   style.css – Packers Playlist Tool
   Farbschema angelehnt an die Green Bay Packers: Dunkelgrün & Gold
   =================================================================== */

:root {
    --packers-green:      #203731;
    --packers-green-dark: #14231f;
    --packers-green-light:#2e4d45;
    --packers-gold:       #ffb612;
    --packers-gold-dark:  #e0a000;
    --text-light:         #f5f5f0;
    --text-muted:         #b7c4bf;
    --card-bg:            #26433c;
    --error-red:          #e0533d;
    --success-green:      #4caf50;
    --radius:             12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(160deg, var(--packers-green-dark) 0%, var(--packers-green) 55%, var(--packers-green-light) 100%);
    color: var(--text-light);
    min-height: 100vh;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* ------------------------- Auth-Seiten (Login/Register) ------------------------- */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 40px 36px;
    width: 100%;
    max-width: 380px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    border-top: 4px solid var(--packers-gold);
}

.auth-logo { font-size: 42px; margin-bottom: 8px; }
.auth-subtitle { color: var(--text-muted); margin-top: 4px; margin-bottom: 24px; font-size: 14px; }

.auth-form { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.auth-form label { font-size: 13px; color: var(--text-muted); margin-top: 10px; }

.auth-switch { margin-top: 20px; font-size: 13px; color: var(--text-muted); }
.auth-switch a { color: var(--packers-gold); text-decoration: none; font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }

.alert { border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }
.alert-error { background: rgba(224,83,61,0.15); color: #ff8a75; border: 1px solid rgba(224,83,61,0.4); }

/* ------------------------- Inputs & Buttons (global) ------------------------- */

input[type="text"],
input[type="password"],
input[type="number"] {
    background: var(--packers-green-dark);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    color: var(--text-light);
    padding: 10px 12px;
    font-size: 14px;
    width: 100%;
    outline: none;
    transition: border-color 0.15s;
}
input:focus { border-color: var(--packers-gold); }

.btn {
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s, filter 0.15s;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary {
    background: var(--packers-gold);
    color: var(--packers-green-dark);
    margin-top: 22px;
}

.btn-secondary {
    background: rgba(255,255,255,0.08);
    color: var(--text-light);
    border: 1px solid rgba(255,255,255,0.15);
}

.btn-spotify {
    display: inline-block;
    background: var(--packers-gold);
    color: var(--packers-green-dark);
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    margin-top: 20px;
}

/* ------------------------- Topbar ------------------------- */

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 28px;
    background: var(--packers-green-dark);
    border-bottom: 3px solid var(--packers-gold);
}

.topbar-brand { font-size: 18px; font-weight: 700; }
.topbar-logo { margin-right: 6px; }
.topbar-user { font-size: 13px; color: var(--text-muted); }
.topbar-logout { color: var(--packers-gold); text-decoration: none; margin-left: 12px; font-weight: 600; }
.topbar-logout:hover { text-decoration: underline; }

/* ------------------------- Spotify-Verbinden-Screen ------------------------- */

.connect-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    padding: 24px;
}

.connect-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 48px;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

.connect-icon { font-size: 48px; margin-bottom: 12px; }
.connect-card p { color: var(--text-muted); font-size: 14px; line-height: 1.5; }

/* ------------------------- Feature-Buttonleiste ------------------------- */

.feature-bar {
    display: flex;
    gap: 10px;
    padding: 18px 28px;
    flex-wrap: wrap;
    background: rgba(0,0,0,0.15);
}

.feature-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card-bg);
    color: var(--text-light);
    border: 2px solid transparent;
    border-radius: 30px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.feature-btn:hover { border-color: var(--packers-gold); }
.feature-btn.active {
    background: var(--packers-gold);
    color: var(--packers-green-dark);
}
.feature-icon { font-size: 16px; }

/* ------------------------- Panel-Bereich ------------------------- */

.panel-container { padding: 28px; max-width: 900px; margin: 0 auto; }

.hint { color: var(--text-muted); text-align: center; margin-top: 60px; }

.panel {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.panel h2 { margin-top: 0; }
.panel-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }

.loading { color: var(--text-muted); padding: 20px 0; }

/* ------------------------- Künstler-Auswahl-Grid ------------------------- */

.artist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.artist-card {
    background: var(--packers-green-dark);
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.1s;
    position: relative;
}
.artist-card:hover { transform: translateY(-2px); }
.artist-card input.artist-checkbox {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 16px;
    height: 16px;
    accent-color: var(--packers-gold);
}
.artist-card input.artist-checkbox:checked ~ img,
.artist-card input.artist-checkbox:checked ~ .artist-placeholder {
    outline: 3px solid var(--packers-gold);
}

.artist-card img,
.artist-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 8px;
    background: var(--packers-green-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.artist-name {
    font-size: 12px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.artist-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.selection-count { font-size: 13px; color: var(--text-muted); margin-left: auto; }

/* ------------------------- Formular ------------------------- */

.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; }

.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-option { font-size: 14px; display: flex; align-items: center; gap: 8px; cursor: pointer; }
.radio-option input { accent-color: var(--packers-gold); }

.form-note { font-size: 12px; color: var(--text-muted); margin-top: 10px; font-style: italic; }

/* ------------------------- Ergebnis-Box ------------------------- */

.result-box {
    margin-top: 22px;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
}
.result-success { background: rgba(76,175,80,0.15); border: 1px solid rgba(76,175,80,0.4); }
.result-error   { background: rgba(224,83,61,0.15); border: 1px solid rgba(224,83,61,0.4); }
.result-box a { color: var(--packers-gold); font-weight: 700; text-decoration: none; }
.result-box a:hover { text-decoration: underline; }

/* ------------------------- Responsive ------------------------- */

@media (max-width: 600px) {
    .topbar { flex-direction: column; gap: 6px; align-items: flex-start; }
    .panel { padding: 20px; }
    .artist-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}