:root {
    --bg-primary: #1a1b1e;
    --bg-secondary: #232428;
    --bg-tertiary: #2a2b2f;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #4f46e5;
    --accent-hover: #6366f1;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-container {
    width: 100%;
    max-width: 600px;
    padding: 1rem;
}

.card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.clipboard-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.clipboard-status i {
    color: var(--success-color);
}

.input-container {
    padding: 1.5rem;
}

.input-wrapper {
    display: flex;
    gap: 0.75rem;
}

.input-help {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.1);
}

button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

button i {
    font-size: 0.875rem;
}

.status-alert {
    display: none;
    padding: 1rem 1.5rem;
    margin: 0 1.5rem;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-alert.success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-alert.error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-alert.warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-icon {
    font-size: 1rem;
}

.footer {
    padding: 1rem 1.5rem;
    background-color: var(--bg-tertiary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 1rem;
}

.status-indicators {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.indicator i {
    font-size: 0.75rem;
}

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

.status-alert {
    animation: fadeIn 0.3s ease;
}