/* ==========================================================================
   UI COMPONENTS & CONTROLS
   Muhammad Saad Qasim - Portfolio 2026
   ========================================================================== */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    outline: none;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    user-select: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    color: #ffffff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    border: 1px solid var(--border-medium);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary-light);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(60deg, transparent 30%, rgba(255, 255, 255, 0.25) 50%, transparent 70%);
    transform: rotate(25deg) translateY(-100%);
    transition: transform 0.8s ease;
}

.btn-glow:hover::after {
    transform: rotate(25deg) translateY(100%);
}

.btn-sm {
    padding: 0.45rem 0.9rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0.95rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

.btn-icon {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--primary-light);
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

/* --- Badges & Status Pills --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.badge-tech {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.25);
    color: var(--primary-light);
}

.badge-emerald {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.badge-amber {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    color: #34d399;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
}

/* --- Tabs --- */
.tab-container {
    width: 100%;
}

.tab-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    padding: 0.35rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    padding: 0.55rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

/* --- CV Dropdown --- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 240px;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.9rem;
    color: var(--text-main);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

.dropdown-item i {
    font-size: 1.1rem;
    color: var(--primary-light);
    width: 20px;
    text-align: center;
}

.dropdown-item small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* --- Modals --- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 860px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 30px var(--primary-glow);
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-bounce);
    position: relative;
}

.modal-backdrop.active .modal-dialog {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 10;
}

.modal-body {
    padding: 2rem;
}

.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--accent-rose);
    color: #ffffff;
    border-color: transparent;
}

/* --- Command Palette (Ctrl + K) --- */
.command-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 10vh 1.5rem 2rem 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.command-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.command-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 640px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px var(--primary-glow);
    overflow: hidden;
    transform: scale(0.96) translateY(-10px);
    transition: transform var(--transition-bounce);
}

.command-backdrop.active .command-dialog {
    transform: scale(1) translateY(0);
}

.command-input-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.command-input-wrapper i {
    font-size: 1.25rem;
    color: var(--primary-light);
}

.command-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-family: var(--font-primary);
    font-size: 1.1rem;
}

.command-input::placeholder {
    color: var(--text-dim);
}

.command-results {
    max-height: 380px;
    overflow-y: auto;
    padding: 0.75rem;
}

.command-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.95rem;
}

.command-item-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.command-item-left i {
    width: 20px;
    text-align: center;
    color: var(--primary-light);
}

.command-item.selected,
.command-item:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--text-main);
}

.command-shortcut {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    color: var(--text-dim);
}

.command-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--bg-main);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* --- Theme Controls & Sound Picker --- */
.theme-picker {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
}

.theme-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.theme-dot:hover {
    transform: scale(1.2);
}

.theme-dot.active {
    border-color: #ffffff;
    transform: scale(1.15);
}

.theme-dot[data-theme-name="cyber"] { background: linear-gradient(135deg, #6366f1, #06b6d4); }
.theme-dot[data-theme-name="slate"] { background: linear-gradient(135deg, #38bdf8, #818cf8); }
.theme-dot[data-theme-name="deep-space"] { background: linear-gradient(135deg, #a855f7, #ec4899); }
.theme-dot[data-theme-name="emerald"] { background: linear-gradient(135deg, #10b981, #06b6d4); }
.theme-dot[data-theme-name="sunset"] { background: linear-gradient(135deg, #f97316, #f43f5e); }

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 11000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.35rem;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
    pointer-events: auto;
    animation: toast-slide-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast i {
    color: var(--accent-emerald);
    font-size: 1.1rem;
}

@keyframes toast-slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}