/* ===== Input Page Specific Styles ===== */
.input-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
}

.header h1 {
    font-size: 3em;
    margin: 0;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.header p {
    margin: 10px 0 0 0;
    color: #ccc;
    font-size: 1.1em;
}

/* ===== Tab Navigation ===== */
.tab-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #333;
}

.tab-button {
    flex: 1;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-bottom: 3px solid transparent;
    color: #fff;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.tab-button.active {
    background: rgba(255, 255, 255, 0.2);
    border-bottom-color: #4a9eff;
}

/* ===== Tab Content ===== */
.tab-content {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

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

/* ===== Number Input Mode ===== */
.number-input-group {
    text-align: center;
}

.number-input-group label {
    display: block;
    font-size: 1.2em;
    margin-bottom: 15px;
    color: #fff;
}

.number-input-group input[type="number"] {
    width: 200px;
    padding: 15px;
    font-size: 1.5em;
    text-align: center;
    border: 2px solid #4a9eff;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.number-input-group input[type="number"]:focus {
    outline: none;
    border-color: #6bb3ff;
    background: rgba(255, 255, 255, 0.15);
}

.generate-btn {
    margin-top: 20px;
    padding: 15px 40px;
    font-size: 1.1em;
    background: #4a9eff;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.generate-btn:hover {
    background: #6bb3ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(74, 158, 255, 0.3);
}

/* ===== Text Input Mode ===== */
.text-input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.text-input-group label {
    font-size: 1.1em;
    color: #fff;
}

.text-input-group textarea {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    font-size: 1em;
    font-family: inherit;
    border: 2px solid #4a9eff;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    resize: vertical;
}

.text-input-group textarea:focus {
    outline: none;
    border-color: #6bb3ff;
    background: rgba(255, 255, 255, 0.15);
}

.text-input-group .hint {
    color: #aaa;
    font-size: 0.9em;
}

/* ===== Manual Add Mode ===== */
.manual-add-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.add-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.add-form input[type="text"] {
    flex: 1;
    padding: 12px;
    font-size: 1em;
    border: 2px solid #4a9eff;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.add-form input[type="text"]:focus {
    outline: none;
    border-color: #6bb3ff;
    background: rgba(255, 255, 255, 0.15);
}

.add-btn {
    padding: 12px 24px;
    background: #28a745;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s;
}

.add-btn:hover {
    background: #34ce57;
    transform: scale(1.05);
}

/* ===== Character List ===== */
.character-list {
    margin-top: 20px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.character-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    margin-bottom: 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s;
}

.character-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.character-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #fff;
    padding: 5px;
}

.character-name {
    flex: 1;
    font-size: 1.1em;
    color: #fff;
}

.character-name input {
    width: 100%;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #4a9eff;
    border-radius: 4px;
    color: #fff;
    font-size: 1em;
}

.character-actions {
    display: flex;
    gap: 5px;
}

.edit-btn, .delete-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.3s;
}

.edit-btn {
    background: #ffc107;
    color: #000;
}

.edit-btn:hover {
    background: #ffcd38;
}

.delete-btn {
    background: #dc3545;
    color: #fff;
}

.delete-btn:hover {
    background: #e4606d;
}

.save-btn {
    background: #28a745;
    color: #fff;
}

.save-btn:hover {
    background: #34ce57;
}

/* ===== Bottom Actions ===== */
.bottom-actions {
    margin-top: auto;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.statistics {
    flex: 1;
    padding: 15px;
    background: rgba(74, 158, 255, 0.2);
    border-radius: 8px;
    color: #fff;
}

.statistics h3 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
}

.statistics p {
    margin: 5px 0;
    font-size: 1em;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.start-btn, .reset-btn, .export-btn {
    padding: 15px 40px;
    font-size: 1.2em;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    font-weight: bold;
}

.start-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.start-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.start-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.reset-btn {
    background: #dc3545;
    color: #fff;
}

.reset-btn:hover {
    background: #e4606d;
}

.export-btn {
    background: #6c757d;
    color: #fff;
}

.export-btn:hover {
    background: #7d868f;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
    grid-column: 1 / -1;
}

.empty-state svg {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* ===== Notification Animations ===== */
@keyframes slideIn {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(400px); opacity: 0; }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .input-container {
        padding: 10px;
    }

    .header h1 {
        font-size: 2em;
    }

    .tab-button {
        padding: 10px;
        font-size: 0.9em;
    }

    .tab-content {
        padding: 20px 15px;
    }

    .number-input-group input[type="number"] {
        width: 150px;
        font-size: 1.2em;
    }

    /* 모바일에서 1열로 변경 */
    .character-list {
        grid-template-columns: 1fr;
    }

    .bottom-actions {
        flex-direction: column;
    }

    .statistics {
        order: 1;
    }

    .action-buttons {
        order: 2;
    }
}