/* Reset and Base Variables */
:root {
    --bg-main: #121212;
    --bg-surface: #1E1E1E;
    --bg-elevated: #2C2C2C;
    --accent: #00E5FF;
    --accent-hover: #00B8CC;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --border-color: #333333;
    --danger: #FF3B30;
    --danger-hover: #D32F2F;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 { font-weight: 600; margin: 0; }
.brand { font-size: 1.25rem; letter-spacing: -0.5px; }

/* Topbar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.spacer { flex: 1; }

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-btn:hover, .icon-btn:active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.icon-btn.active {
    color: var(--accent);
    background: rgba(0, 229, 255, 0.1);
}

.hidden { display: none !important; }

/* Main Content */
.content-area {
    padding: 1rem;
    padding-bottom: 100px;
    max-width: 600px;
    margin: 0 auto;
}

.view-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Cards */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    animation: fadeIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

/* To signify they are clickable in non-edit mode (groups) */
.card.group-card:hover {
    border-color: var(--text-secondary);
}

.card:active {
    transform: scale(0.98);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Card states */
.card.edit-mode { border-color: var(--accent); }
.card.delete-mode { border-color: var(--danger); }

/* Person Header in Card */
.person-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    pointer-events: none; /* Let the card handle clicks */
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1.2rem;
    border: 1px solid var(--border-color);
}

.person-name {
    font-size: 1.1rem;
    font-weight: 500;
    flex: 1;
}

.group-tag {
    font-size: 0.75rem;
    background: var(--bg-elevated);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: var(--text-secondary);
}

/* Controls */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.btn-score {
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    min-width: 44px;
    height: 40px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-score:active {
    background: var(--text-secondary);
    color: var(--bg-main);
}

.score-display {
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1.25rem;
    height: 40px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0.5rem;
    transition: transform 0.1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.score-bump {
    transform: scale(1.1);
}

/* Group Card Specifics */
.group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.group-name {
    font-size: 1.2rem;
    font-weight: 600;
}
.group-count {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal {
    background: var(--bg-surface);
    border-radius: var(--radius);
    width: 90%;
    max-width: 400px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transform: translateY(0);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay.hidden .modal {
    transform: translateY(20px);
}

.modal.bottom-sheet {
    position: absolute;
    bottom: 0;
    width: 100%;
    max-width: 100%;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}

.modal.bottom-sheet.hidden {
    transform: translateY(100%);
}

.modal h2 { margin-bottom: 1.5rem; font-size: 1.25rem; }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.modal-header h2 { margin: 0; }

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

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

.avatar-upload {
    align-items: center;
}

.avatar-label {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.avatar-label:hover { border-color: var(--accent); }

.avatar-label img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.6rem;
    gap: 4px;
}

/* Buttons */
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: #000;
}
.btn-primary:active { background: var(--accent-hover); transform: scale(0.98); }

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:active { background: var(--bg-elevated); transform: scale(0.98); }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:active { background: var(--danger-hover); transform: scale(0.98); }

.text-btn {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: 0.5rem;
    text-decoration: underline;
}

.full-width { width: 100%; }
.mt-4 { margin-top: 1rem; }

/* Sort Options */
.sort-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.sort-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: left;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}
.sort-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

/* History List */
.history-modal { height: 80vh; }
.history-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.history-item {
    background: var(--bg-elevated);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.history-info { display: flex; flex-direction: column; }
.history-name { font-weight: 600; font-size: 0.95rem; }
.history-time { font-size: 0.75rem; color: var(--text-secondary); }
.history-change { font-weight: 700; font-size: 1.1rem; }
.history-change.pos { color: var(--accent); }
.history-change.neg { color: var(--danger); }

/* Utilities */
.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem 1rem;
    font-style: italic;
}