@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0a0e17;
    min-height: 100vh;
    padding: 20px;
    color: #fff;
    overflow-x: hidden;
}

/* Floating particles background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(99, 102, 241, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Glass Header */
header {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    padding: 35px 45px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: fadeInDown 0.8s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.settings-btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.6rem;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Glass Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    padding: 35px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Timer Section */
.timer-section {
    grid-column: 1 / -1;
    text-align: center;
    animation: slideUp 0.8s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timer-display {
    font-size: 7rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    font-variant-numeric: tabular-nums;
    letter-spacing: -3px;
}

/* Activity Indicator */
.activity-indicator {
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 12px;
    margin: 0 auto 40px;
    display: inline-block;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    animation: indicatorPulse 2s ease-in-out infinite;
}

@keyframes indicatorPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    }
}

.activity-indicator.working {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
    color: #10b981;
}

.activity-indicator.distracted {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.4);
    color: #f59e0b;
}

.activity-indicator.idle {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
    color: #ef4444;
}

.activity-indicator:not(.working):not(.distracted):not(.idle) {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    animation: none;
}

.timer-controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 45px;
}

.btn {
    padding: 18px 45px;
    border: none;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn:hover::before {
    width: 200%;
    height: 200%;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-start {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.btn-start:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
}

.btn-pause {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.btn-pause:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

.btn-stop {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.btn-stop:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.4);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn:active:not(:disabled) {
    transform: scale(0.95);
}

.session-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.info-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 28px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px) scale(1.02);
}

.info-item .label {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.info-item .value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    animation: countUp 0.5s ease;
}

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

/* Tasks Section */
.tasks-section {
    animation: slideInLeft 0.8s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.tasks-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
}

.btn-add {
    background: linear-gradient(135deg, #0aa473 0%, #08956a 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(10, 164, 115, 0.3);
    padding: 12px 28px;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(10, 164, 115, 0.4);
    background: linear-gradient(135deg, #0bb581 0%, #099b75 100%);
}

.task-input {
    margin-bottom: 25px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-input input {
    width: 100%;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    font-size: 1.05rem;
    margin-bottom: 14px;
    color: white;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.task-input input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.task-input input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.task-input-controls {
    display: flex;
    gap: 12px;
}

.btn-small {
    padding: 11px 24px;
    font-size: 0.95rem;
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.2);
}

.tasks-list {
    list-style: none;
    max-height: 450px;
    overflow-y: auto;
    padding-right: 10px;
}

.tasks-list::-webkit-scrollbar {
    width: 8px;
}

.tasks-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.tasks-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

.tasks-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.task-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    margin-bottom: 12px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.task-item.removing {
    animation: taskSlideOut 0.3s ease forwards;
}

@keyframes taskSlideOut {
    to {
        opacity: 0;
        transform: translateX(-50px) scale(0.8);
    }
}

@keyframes taskSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.task-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(8px);
}

.task-item.completed {
    opacity: 0.5;
}

.task-item input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--primary);
}

.task-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.task-text {
    font-size: 1.05rem;
    color: white;
}

.task-time {
    font-size: 0.85rem;
    color: rgba(99, 102, 241, 0.9);
    font-weight: 500;
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.5);
}

.task-item.completed .task-time {
    color: rgb(7 219 74);
}

.task-item button {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
    border: none;
    padding: 9px 18px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.task-item button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Calendar */
.calendar-section {
    animation: slideInRight 0.8s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.calendar-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
}

.calendar-header .btn-small {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.calendar-header .btn-small:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    aspect-ratio: auto;
    min-height: 60px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 8px 6px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.calendar-day:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.08);
}

.calendar-day.today {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.25);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.calendar-day.selected {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.25);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.calendar-day.has-data {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
}

.calendar-day .day-number {
    font-weight: 600;
    margin-bottom: 0;
    color: white;
    font-size: 0.9rem;
    line-height: 1.2;
}

.calendar-day .day-time {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1;
    white-space: nowrap;
}

.calendar-weekday {
    text-align: center;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    padding: 10px;
    font-size: 0.85rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 30px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-content::-webkit-scrollbar {
    width: 10px;
}

.modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 35px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.modal-header h2 {
    color: white;
    font-size: 2rem;
    font-weight: 700;
}

.close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 2rem;
    cursor: pointer;
    color: white;
    line-height: 1;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: 35px;
}

.setting-group {
    margin-bottom: 35px;
}

.setting-group h3 {
    margin-bottom: 20px;
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
}

.setting-group .btn {
    width: 100%;
    margin-bottom: 14px;
}

#qrcode {
    display: flex;
    justify-content: center;
    margin: 25px 0;
    padding: 25px;
    background: white;
    border-radius: 20px;
}

.key-display {
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 14px;
    word-break: break-all;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#keyInputSection input {
    width: 100%;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    font-size: 1.05rem;
    margin-bottom: 14px;
    color: white;
    font-family: 'Poppins', sans-serif;
}

#keyInputSection input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
}

#keyInputSection input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 18px;
    padding: 20px 30px;
    color: white;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    z-index: 3000;
    animation: toastSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: none;
}

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

.toast.show {
    display: block;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.info {
    border-left: 4px solid var(--primary);
}

/* Custom Confirmation Modal */
.confirm-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 2500;
}

.confirm-modal.active {
    display: flex;
}

.confirm-content {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    border-radius: 25px;
    padding: 40px;
    max-width: 450px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
}

.confirm-content h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.confirm-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.confirm-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.confirm-buttons .btn {
    flex: 1;
    padding: 14px 30px;
}

@media (max-width: 1024px) {
    main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding: 12px;
    }

    header {
        padding: 18px 22px;
        border-radius: 20px;
        margin-bottom: 16px;
    }

    header h1 {
        font-size: 1.6rem;
    }

    .settings-btn {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
        border-radius: 14px;
    }

    .timer-display {
        font-size: 3.2rem;
        letter-spacing: -2px;
        margin-bottom: 12px;
    }

    .activity-indicator {
        font-size: 0.8rem;
        padding: 8px 16px;
        margin: 0 auto 20px;
        border-radius: 10px;
    }

    .timer-controls {
        flex-direction: row;
        gap: 10px;
        margin-bottom: 24px;
    }

    .timer-controls .btn {
        width: auto;
        flex: 1;
        padding: 14px 10px;
        font-size: 0.95rem;
    }

    .session-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .info-item {
        padding: 16px;
        border-radius: 14px;
    }

    .info-item:hover {
        transform: none;
    }

    .info-item .value {
        font-size: 1.5rem;
    }

    .info-item .label {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }

    .glass-card {
        padding: 20px;
        border-radius: 20px;
    }

    .glass-card:hover {
        transform: none;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }

    main {
        gap: 16px;
    }

    /* Tasks */
    .tasks-header h2 {
        font-size: 1.2rem;
    }

    .btn-add {
        padding: 10px 18px;
        font-size: 0.85rem;
    }

    .task-input {
        padding: 16px;
        border-radius: 14px;
    }

    .task-input input {
        padding: 12px;
        font-size: 0.95rem;
        border-radius: 10px;
    }

    .task-item {
        padding: 14px 16px;
        gap: 12px;
        border-radius: 12px;
    }

    .task-item:hover {
        transform: none;
    }

    .task-item span {
        font-size: 0.95rem;
    }

    .task-item button {
        padding: 7px 14px;
        font-size: 0.8rem;
    }

    .tasks-list {
        max-height: 350px;
    }

    /* Calendar */
    .calendar-header h2 {
        font-size: 1.1rem;
    }

    .calendar-header .btn-small {
        padding: 8px 14px;
    }

    .calendar {
        gap: 4px;
    }

    .calendar-day {
        padding: 6px 4px;
        border-radius: 8px;
        aspect-ratio: auto;
        min-height: 44px;
    }

    .calendar-day .day-number {
        font-size: 0.8rem;
        margin-bottom: 2px;
    }

    .calendar-day .day-time {
        font-size: 0.55rem;
    }

    .calendar-weekday {
        padding: 6px 2px;
        font-size: 0.7rem;
    }

    /* Modal */
    .modal-content {
        width: 95%;
        max-height: 90vh;
        border-radius: 22px;
    }

    .modal-header {
        padding: 20px;
    }

    .modal-header h2 {
        font-size: 1.4rem;
    }

    .close-btn {
        width: 40px;
        height: 40px;
        font-size: 1.6rem;
        border-radius: 12px;
    }

    .modal-body {
        padding: 20px;
    }

    .setting-group h3 {
        font-size: 1.1rem;
        margin-bottom: 14px;
    }

    .setting-group .btn {
        padding: 14px 20px;
        font-size: 0.95rem;
    }

    .key-display {
        font-size: 0.9rem;
        padding: 14px;
    }

    .toast {
        right: 12px;
        left: 12px;
        bottom: 12px;
        padding: 14px 20px;
        font-size: 0.9rem;
        border-radius: 14px;
    }

    /* Confirm modal */
    .confirm-content {
        padding: 28px 24px;
        border-radius: 20px;
        margin: 0 16px;
    }

    .confirm-content h3 {
        font-size: 1.4rem;
    }

    .confirm-content p {
        font-size: 0.95rem;
    }
}

/* ===== MOBILE BOTTOM NAVIGATION ===== */
.mobile-nav {
    display: none;
}

@media (max-width: 768px) {
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
        z-index: 1500;
        justify-content: space-around;
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        background: none;
        border: none;
        color: rgba(255, 255, 255, 0.4);
        font-family: 'Poppins', sans-serif;
        font-size: 0.7rem;
        font-weight: 500;
        padding: 8px 16px;
        border-radius: 12px;
        cursor: pointer;
        transition: all 0.25s ease;
    }

    .mobile-nav-icon {
        font-size: 1.3rem;
        line-height: 1;
    }

    .mobile-nav-item.active {
        color: #6366f1;
    }

    .mobile-nav-item.active .mobile-nav-icon {
        transform: scale(1.15);
    }

    /* Tab content switching */
    [data-tab-content="tasks"],
    [data-tab-content="calendar"] {
        display: none;
    }

    [data-tab-content].tab-active {
        display: block !important;
    }

    [data-tab-content="timer"] {
        display: block;
    }

    /* Body padding for bottom nav */
    body {
        padding-bottom: calc(70px + env(safe-area-inset-bottom));
    }

    /* Better mobile timer */
    .timer-display {
        font-size: 3.8rem;
        margin-bottom: 8px;
    }

    .timer-controls {
        gap: 12px;
        margin-bottom: 28px;
        padding: 0 4px;
    }

    .timer-controls .btn {
        padding: 16px 8px;
        font-size: 0.9rem;
        border-radius: 14px;
    }

    /* Compact session info on mobile - horizontal */
    .session-info {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .info-item {
        padding: 12px 8px;
        border-radius: 12px;
        text-align: center;
    }

    .info-item .label {
        font-size: 0.7rem;
        margin-bottom: 4px;
    }

    .info-item .value {
        font-size: 1.1rem;
    }

    /* Tasks mobile */
    .tasks-list {
        max-height: calc(100vh - 320px);
    }

    .task-item {
        padding: 14px;
    }

    .task-item input[type="checkbox"] {
        width: 22px;
        height: 22px;
        flex-shrink: 0;
    }

    .task-item button {
        padding: 8px 12px;
        font-size: 0.75rem;
        flex-shrink: 0;
    }

    /* Calendar mobile - bigger touch targets */
    .calendar-day {
        min-height: 48px;
        padding: 6px;
        border-radius: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .calendar-day .day-number {
        font-size: 0.85rem;
    }

    .calendar-day .day-time {
        font-size: 0.6rem;
    }

    /* Toast above bottom nav */
    .toast {
        bottom: calc(80px + env(safe-area-inset-bottom));
        right: 12px;
        left: 12px;
    }
}

@media (max-width: 380px) {
    .timer-display {
        font-size: 3rem;
    }

    .session-info {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .info-item {
        padding: 10px 6px;
    }

    .info-item .label {
        font-size: 0.65rem;
    }

    .info-item .value {
        font-size: 0.95rem;
    }
}


/* === ELECTRON PERFORMANCE OPTIMIZATIONS === */

/* Убираем все backdrop-filter (главный источник тормозов) */
*,
*::before,
*::after {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

/* Упрощаем transition для всех элементов */
.calendar-day,
.task-item,
.stat-card,
.btn,
.btn-primary,
.btn-secondary,
button {
    transition: background 0.15s ease, border-color 0.15s ease !important;
}

/* Убираем transform-анимации hover */
.calendar-day:hover {
    transform: none !important;
}

.stat-card:hover {
    transform: none !important;
}

/* Упрощаем box-shadow */
.calendar-day.today {
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.25) !important;
}

.calendar-day.selected {
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.25) !important;
}

.stat-card {
    box-shadow: none !important;
}

/* Отключаем тяжёлые анимации */
@keyframes pulse { }
@keyframes shimmer { }
@keyframes float { }

/* Настройки агента */
.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
}
.checkbox-row input[type=checkbox] {
    width: 18px;
    height: 18px;
    accent-color: #10b981;
    cursor: pointer;
    flex-shrink: 0;
}
.setting-hint {
    font-size: 12px;
    color: rgba(255,255,255,0.45);
    margin-bottom: 10px;
}
.tags-container {
    min-height: 44px;
    padding: 8px;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}
.tag.white { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.tag.black { background: rgba(239,68,68,0.15); color: #ef4444; border: 1px solid rgba(239,68,68,0.3); }
.tag-remove { cursor: pointer; opacity: 0.7; font-size: 14px; line-height: 1; }
.tag-remove:hover { opacity: 1; }
.tag-input-row { display: flex; gap: 8px; }
.tag-input-row input { flex: 1; }
.tag-add-btn { width: 44px; padding: 0; font-size: 20px; flex-shrink: 0; }