:root {
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;
    --dark-bg: #1a202c;
    --card-bg: #2d3748;
    --text-primary: #f7fafc;
    --text-secondary: #a0aec0;
    --border-color: #4a5568;
    --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Page Styles */
.login-page {
    background: var(--gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    max-width: 400px;
    width: 100%;
    padding: 20px;
}

.login-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.login-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.input-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.error-message {
    background: rgba(245, 101, 101, 0.9);
    color: white;
    padding: 10px 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Dashboard Styles */
.dashboard {
    min-height: 100vh;
}

.dashboard-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.header-content h1 {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.8rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.welcome-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dashboard-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 30px;
    background: var(--card-bg);
    padding: 5px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.tab-button {
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    flex: 1;
}

.tab-button:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--text-primary);
}

.tab-button.active {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* Tab Content */
.tab-content {
    display: none;
}

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

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

/* Sections */
.section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.section h2 {
    margin-bottom: 25px;
    color: var(--text-primary);
    font-size: 1.5rem;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--dark-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}

.btn-logout {
    background: var(--danger-color);
    color: white;
}

.btn-logout:hover {
    background: #e53e3e;
    transform: translateY(-1px);
}

.btn-twitch {
    background: #9146ff;
    color: white;
}

.btn-kick {
    background: #53fc18;
    color: #000;
}

/* TODO Styles */
.todo-input-section {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

#new-todo {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--dark-bg);
    color: var(--text-primary);
    font-size: 16px;
}

#new-todo:focus {
    outline: none;
    border-color: var(--primary-color);
}

.todo-list {
    list-style: none;
}

.todo-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.todo-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.todo-item.completed {
    opacity: 0.6;
    text-decoration: line-through;
}

.todo-checkbox {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.todo-text {
    flex: 1;
    color: var(--text-primary);
}

.delete-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 12px;
}

/* Notes Styles */
.notes-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#notes-content {
    width: 100%;
    padding: 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--dark-bg);
    color: var(--text-primary);
    font-size: 16px;
    font-family: 'Consolas', 'Monaco', monospace;
    resize: vertical;
    min-height: 300px;
}

#notes-content:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Converters */
.converter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.converter-card {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
}

.converter-card h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    text-align: center;
}

.converter-card textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 14px;
    resize: vertical;
    min-height: 80px;
    margin-bottom: 15px;
}

.converter-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    justify-content: center;
}

.converter-buttons .btn {
    flex: 1;
    padding: 8px 16px;
    font-size: 12px;
}

/* Streams */
.streams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
}

.stream-card {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    transition: transform 0.3s ease;
}

.stream-card:hover {
    transform: translateY(-5px);
}

.stream-card h3 {
    margin-bottom: 15px;
    text-align: center;
    color: var(--text-primary);
}

.stream-embed {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
    background: #000;
}

.stream-links {
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .tabs {
        flex-direction: column;
    }

    .todo-input-section {
        flex-direction: column;
    }

    .converter-grid {
        grid-template-columns: 1fr;
    }

    .streams-grid {
        grid-template-columns: 1fr;
    }

    .converter-buttons {
        flex-direction: column;
    }

    .stream-card {
        min-width: unset;
    }
}

@media (max-width: 480px) {
    .dashboard-content {
        padding: 20px 10px;
    }
    
    .section {
        padding: 20px;
    }
}