/* MACOS AESTHETIC RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* MACOS DARK MODE VARIABLES */
:root {
    --macos-bg: #000000;
    --macos-surface: #1c1c1e;
    --macos-elevated: #2c2c2e;
    --macos-text: #ffffff;
    --macos-text-secondary: #ebebf5;
    --macos-text-muted: #8e8e93;
    --macos-accent: #007aff;
    --macos-accent-hover: #0056cc;
    --macos-success: #30d158;
    --macos-warning: #ff9500;
    --macos-danger: #ff453a;
    --macos-border: #38383a;
    --macos-border-focus: #007aff;
    --macos-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    --macos-shadow-large: 0 8px 32px rgba(0, 0, 0, 0.4);
    --macos-radius: 12px;
    --macos-radius-large: 20px;
    --macos-font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --macos-mono: 'SF Mono', Menlo, Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

/* MACOS TYPOGRAPHY */
body {
    font-family: var(--macos-font);
    background: var(--macos-bg);
    color: var(--macos-text);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* MACOS HEADER */
.brutal-header {
    background: var(--macos-surface);
    border-bottom: 1px solid var(--macos-border);
    padding: 3rem 2rem;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.brutal-title {
    font-family: var(--macos-font);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--macos-text);
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.brutal-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    font-weight: 500;
    color: var(--macos-text-secondary);
    letter-spacing: 0.5px;
}

/* MACOS CONTAINER */
.brutal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    gap: 2rem;
    display: flex;
    flex-direction: column;
}

/* MACOS CARDS */
.brutal-card {
    background: var(--macos-surface);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius-large);
    box-shadow: var(--macos-shadow);
    padding: 2rem;
    transition: all 0.3s ease;
}

.brutal-card:hover {
    box-shadow: var(--macos-shadow-large);
    transform: translateY(-2px);
}

.brutal-section-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--macos-border);
    padding-bottom: 1rem;
}

.brutal-section-header h2 {
    font-family: var(--macos-font);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--macos-text);
    margin: 0;
}

.brutal-warning {
    background: var(--macos-warning);
    color: white;
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    margin-top: 1rem;
    display: inline-block;
    border-radius: var(--macos-radius);
}

/* MACOS FORMS */
.brutal-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.brutal-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.brutal-label {
    font-family: var(--macos-font);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--macos-text);
    margin-bottom: 0.25rem;
}

.brutal-input, .brutal-select {
    padding: 0.875rem 1rem;
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    background: var(--macos-surface);
    font-family: var(--macos-font);
    font-size: 1rem;
    color: var(--macos-text);
    outline: none;
    transition: all 0.2s ease;
}

.brutal-input:focus, .brutal-select:focus {
    border-color: var(--macos-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.brutal-input::placeholder {
    color: var(--macos-text-muted);
}

/* MACOS BUTTONS */
.brutal-action-section {
    text-align: center;
    margin: 2rem 0;
}

.brutal-btn {
    font-family: var(--macos-font);
    background: var(--macos-accent);
    color: white;
    border: none;
    border-radius: var(--macos-radius);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--macos-shadow);
}

.brutal-btn:hover {
    background: var(--macos-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--macos-shadow-large);
}

.brutal-btn:active {
    transform: translateY(0);
}

.brutal-btn:disabled {
    background: var(--macos-text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.brutal-copy-btn, .brutal-download-btn, .brutal-qr-btn {
    font-family: var(--macos-font);
    background: var(--macos-elevated);
    color: var(--macos-text);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.brutal-copy-btn:hover, .brutal-download-btn:hover, .brutal-qr-btn:hover {
    background: var(--macos-accent);
    color: white;
    border-color: var(--macos-accent);
}

.brutal-btn-secondary, .brutal-btn-danger {
    font-family: var(--macos-font);
    border: 1px solid;
    border-radius: var(--macos-radius);
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--macos-surface);
}

.brutal-btn-secondary {
    border-color: var(--macos-border);
    color: var(--macos-text);
}

.brutal-btn-danger {
    border-color: var(--macos-danger);
    color: var(--macos-danger);
}

.brutal-btn-secondary:hover {
    background: var(--macos-accent);
    color: white;
    border-color: var(--macos-accent);
}

.brutal-btn-danger:hover {
    background: var(--macos-danger);
    color: white;
}

/* LOCATION GRID */
.brutal-location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.brutal-location-btn {
    background: var(--macos-surface);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    padding: 1.5rem 1rem;
    font-family: var(--macos-font);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--macos-text);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.brutal-location-btn:hover {
    border-color: var(--macos-accent);
    color: var(--macos-accent);
    transform: translateY(-1px);
    box-shadow: var(--macos-shadow);
}

.brutal-location-btn.active {
    background: var(--macos-accent);
    border-color: var(--macos-accent);
    color: white;
}

/* DNS PRESETS */
.brutal-dns-presets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.brutal-dns-preset {
    background: var(--macos-surface);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    padding: 0.75rem 1rem;
    font-family: var(--macos-font);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--macos-text);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.brutal-dns-preset:hover {
    background: var(--macos-accent);
    color: white;
    border-color: var(--macos-accent);
}

/* TEMPLATE CONTROLS */
.brutal-template-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.brutal-select {
    flex: 1;
    min-width: 200px;
}

/* KEYS SECTION */
.brutal-keys-grid {
    display: grid;
    gap: 1.5rem;
}

.brutal-key-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.brutal-key-display {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.brutal-key-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    background: var(--macos-elevated);
    font-family: var(--macos-mono);
    font-size: 0.8rem;
    color: var(--macos-text);
    outline: none;
    word-break: break-all;
}

/* CONFIG SECTION */
.brutal-config-group {
    margin-bottom: 2rem;
}

.brutal-config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--macos-border);
}

.brutal-config-header h3 {
    font-family: var(--macos-font);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--macos-text);
}

.brutal-config-textarea {
    width: 100%;
    height: 200px;
    padding: 1rem;
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    background: var(--macos-elevated);
    color: var(--macos-text);
    font-family: var(--macos-mono);
    font-size: 0.85rem;
    resize: vertical;
    outline: none;
    line-height: 1.5;
    transition: all 0.2s ease;
}

.brutal-config-textarea:focus {
    border-color: var(--macos-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.brutal-config-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* MODAL */
.brutal-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.brutal-modal-content {
    background: var(--macos-surface);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius-large);
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--macos-shadow-large);
}

.brutal-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--macos-border);
    padding-bottom: 1rem;
}

.brutal-modal-header h3 {
    font-family: var(--macos-font);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--macos-text);
}

.brutal-modal-close {
    background: none;
    border: none;
    color: var(--macos-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brutal-modal-close:hover {
    background: var(--macos-elevated);
    color: var(--macos-text);
}

.brutal-qr-container {
    text-align: center;
}

.brutal-qr-container canvas {
    border-radius: var(--macos-radius);
    background: white;
    padding: 1rem;
    border: 1px solid var(--macos-border);
}

/* FOOTER */
.brutal-footer {
    background: var(--macos-surface);
    color: var(--macos-text-secondary);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--macos-border);
}

.brutal-footer-text {
    font-family: var(--macos-font);
    font-size: 0.85rem;
    font-weight: 500;
}

/* CUSTOM IPV4 MANAGEMENT */
.brutal-custom-actions {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.brutal-custom-ips {
    margin-top: 1.5rem;
    border-top: 1px solid var(--macos-border);
    padding-top: 1.5rem;
}

.brutal-ip-group {
    background: var(--macos-elevated);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.brutal-ip-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--macos-border);
}

.brutal-ip-group-title {
    font-family: var(--macos-font);
    font-size: 1rem;
    font-weight: 600;
    color: var(--macos-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brutal-ip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.brutal-ip-item {
    background: var(--macos-surface);
    border: 1px solid var(--macos-border);
    border-radius: var(--macos-radius);
    padding: 0.5rem 0.75rem;
    font-family: var(--macos-mono);
    font-size: 0.8rem;
    color: var(--macos-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.brutal-ip-item:hover {
    background: var(--macos-elevated);
    border-color: var(--macos-accent);
}

.brutal-ip-remove {
    background: none;
    border: none;
    color: var(--macos-danger);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    transition: all 0.2s ease;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.brutal-ip-remove:hover {
    background: var(--macos-danger);
    color: white;
}

.brutal-empty-state {
    text-align: center;
    color: var(--macos-text-muted);
    font-style: italic;
    padding: 2rem;
}

/* SUCCESS STATES */
.brutal-copy-success {
    background: var(--macos-success) !important;
    color: white !important;
    border-color: var(--macos-success) !important;
}

.brutal-copy-success::after {
    content: " ✓";
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .brutal-container {
        padding: 1.5rem;
        gap: 1.5rem;
    }

    .brutal-card {
        padding: 1.5rem;
    }

    .brutal-form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .brutal-key-display {
        flex-direction: column;
        gap: 0.75rem;
    }

    .brutal-config-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .brutal-config-actions {
        justify-content: center;
    }

    .brutal-btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .brutal-header {
        padding: 2rem 1rem;
    }

    .brutal-template-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .brutal-location-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .brutal-dns-presets {
        grid-template-columns: repeat(2, 1fr);
    }

    .brutal-modal-content {
        margin: 1rem;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .brutal-location-grid {
        grid-template-columns: 1fr;
    }

    .brutal-dns-presets {
        grid-template-columns: 1fr;
    }

    .brutal-input, .brutal-select {
        padding: 0.75rem;
        font-size: 0.95rem;
    }

    .brutal-config-textarea {
        height: 180px;
        padding: 0.875rem;
        font-size: 0.8rem;
    }
}

/* SELECTION STYLING */
::selection {
    background: rgba(0, 122, 255, 0.2);
    color: var(--macos-text);
}

::-moz-selection {
    background: rgba(0, 122, 255, 0.2);
    color: var(--macos-text);
}

/* SCROLLBAR STYLING */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--macos-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--macos-text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--macos-text-secondary);
}