* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&family=Outfit:wght@700;800;900&display=swap');

:root {
    --bg-primary: #f4f7fb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e7edf7;
    --surface-soft: #eef3fb;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --border-color: #d9e1ee;
    --accent-primary: #0d9488;
    --accent-primary-strong: #0f766e;
    --accent-secondary: #1d4ed8;
    --accent-danger: #dc2626;
    --button-text: #ffffff;
    --shadow-soft: 0 8px 26px rgba(17, 24, 39, 0.08);
    --shadow-strong: 0 14px 30px rgba(17, 24, 39, 0.16);
    --progress-bg: #dbe6f8;
    --progress-fill: #0d9488;
    --progress-complete: #16a34a;
}

[data-theme="dark"] {
    --bg-primary: #081018;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --surface-soft: #182235;
    --text-primary: #f8fafc;
    --text-secondary: #d1d5db;
    --text-muted: #94a3b8;
    --border-color: #2a3b55;
    --accent-primary: #14b8a6;
    --accent-primary-strong: #2dd4bf;
    --accent-secondary: #60a5fa;
    --accent-danger: #f87171;
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-strong: 0 18px 36px rgba(0, 0, 0, 0.55);
    --progress-bg: #334155;
    --progress-fill: #2dd4bf;
    --progress-complete: #4ade80;
}

body {
    font-family: "Segoe UI", "Inter", "Trebuchet MS", sans-serif;
    background: radial-gradient(circle at top left, rgba(13, 148, 136, 0.12), transparent 45%), var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.45;
    min-height: 100vh;
    overflow-x: hidden;
    scrollbar-gutter: stable;
}

/* Custom Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
    transition: background 0.3s ease;
}

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

/* Firefox Support */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-primary);
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 520px;
    margin: 0 auto;
    position: relative;
    background: var(--bg-primary);
}


.header {
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: color-mix(in oklab, var(--bg-primary) 86%, transparent);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 0.8rem 0.9rem;
    box-shadow: var(--shadow-soft);
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    cursor: default;
}

.logo-icon-container {
    position: relative;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
}

.logo-glow {
    position: absolute;
    inset: -6px;
    background: radial-gradient(circle, var(--accent-primary), var(--accent-secondary), transparent 70%);
    opacity: 0.25;
    filter: blur(10px);
    animation: breathing-glow 4s ease-in-out infinite;
}

.logo-icon-visual {
    width: 36px;
    height: 36px;
    background: linear-gradient(165deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    display: grid;
    place-items: center;
    position: relative;
    box-shadow: 
        0 8px 20px -4px rgba(13, 148, 136, 0.4),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.logo-icon-container:hover .logo-icon-visual {
    transform: scale(1.05) rotate(-2deg);
}


.logo-ring {
    position: absolute;
    inset: 4px;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
}

.logo-hands {
    position: relative;
    width: 100%;
    height: 100%;
}

.hand-hour, .hand-min {
    position: absolute;
    background: #fff;
    left: 50%;
    top: 50%;
    transform-origin: bottom center;
    border-radius: 4px;
}

.hand-hour {
    width: 2px;
    height: 6px;
    margin-left: -1px;
    margin-top: -6px;
    opacity: 0.9;
    animation: rotate-linear 8s linear infinite;
}

.hand-min {
    width: 1.5px;
    height: 9px;
    margin-left: -0.75px;
    margin-top: -9px;
    opacity: 0.7;
    animation: rotate-linear 2s linear infinite;
}

.modern-wordmark {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    font-family: "Outfit", "Inter", sans-serif;
    line-height: 1;
}

.word-office {
    color: var(--text-primary);
}

.word-time {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(13, 148, 136, 0.15));
}

.word-calc {
    font-size: 0.7rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-strong));
    color: #fff;
    padding: 0.25rem 0.6rem;
    border-radius: 100px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 800;
    margin-left: 0.2rem;
    box-shadow: 0 4px 10px rgba(13, 148, 136, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.word-calc::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 20%;
    height: 200%;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(30deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -60%; }
    100% { left: 160%; }
}

@keyframes rotate-linear {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes breathing-glow {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.3); opacity: 0.35; }
}

@media (max-width: 480px) {
    .modern-wordmark {
        font-size: 1.1rem;
        gap: 0.2rem;
    }
    
    .logo-icon-container {
        width: 30px;
        height: 30px;
    }
    
    .logo-icon-visual {
        width: 28px;
        height: 28px;
    }

    .word-calc {
        font-size: 0.6rem;
        padding: 0.2rem 0.35rem;
    }
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.theme-toggle,
.settings-btn {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.7rem;
    border: 1px solid var(--border-color);
    background: var(--surface-soft);
    color: var(--text-primary);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover,
.settings-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.main-content {
    flex: 1;
    padding: 0.4rem 1rem 1.2rem;
    display: flex;
    flex-direction: column;
}

.screen {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.progress-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 260px;
    border-radius: 1.2rem;
    background: linear-gradient(140deg, color-mix(in oklab, var(--accent-secondary) 15%, var(--bg-secondary)), var(--bg-secondary));
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    animation: slideUp 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.progress-container {
    position: relative;
    width: 220px;
    height: 220px;
}

.progress-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-ring-bg {
    stroke: var(--progress-bg);
}

.progress-ring-fill {
    stroke: var(--progress-fill);
    transition: stroke-dashoffset 0.45s ease, stroke 0.3s ease;
}

.progress-ring-fill.complete {
    stroke: var(--progress-complete);
}

.time-display {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    text-align: center;
    gap: 0.15rem;
}

.main-time {
    font-size: 1.7rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.worked-time {
    margin-top: 0.35rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.time-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.controls-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.control-btn {
    border: none;
    border-radius: 0.95rem;
    padding: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    font-weight: 700;
    color: var(--button-text);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.control-btn:not(:disabled):active {
    transform: scale(0.96);
}

.control-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.primary-btn {
    background: linear-gradient(140deg, var(--accent-primary), var(--accent-primary-strong));
}

.secondary-btn {
    background: linear-gradient(140deg, #4f46e5, #2563eb);
}

.danger-btn {
    background: linear-gradient(140deg, #ef4444, var(--accent-danger));
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-text {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.icon {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
}

.icon-theme {
    width: 1.1rem;
    height: 1.1rem;
}

.status-section,
.breaks-overview-card,
.break-history-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-soft);
    animation: fadeIn 0.8s ease-out both;
}

.status-container {
    padding: 0.95rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.status-section { animation-delay: 0.1s; }
.breaks-overview-card { animation-delay: 0.2s; }
.break-history-card { animation-delay: 0.3s; }

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

.status-item,
.summary-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    transition: transform 0.3s ease;
}

.status-item:hover,
.summary-item:hover {
    transform: translateY(-2px);
}

.status-label,
.summary-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    color: var(--text-muted);
}

.status-value,
.summary-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.screen-nav {
    display: flex;
    justify-content: center;
}

.screen-nav-btn {
    width: 100%;
    border: none;
    border-radius: 0.9rem;
    background: linear-gradient(135deg, #0f766e, #1d4ed8);
    color: #fff;
    padding: 0.88rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
}

.screen-nav-btn.ghost {
    background: var(--surface-soft);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.breaks-overview-card {
    padding: 1rem;
}

.breaks-overview-card h2,
.break-history-header h3 {
    font-size: 1.05rem;
}

.break-summary-grid {
    margin-top: 0.8rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.break-history-card {
    padding: 0.95rem;
}

.break-history-header {
    margin-bottom: 0.6rem;
}

.break-history-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.break-row-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    align-items: center;
    background: var(--surface-soft);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.62rem 0.7rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.break-row-item:hover {
    transform: translateX(5px);
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.break-row-range {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.break-row-duration {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-secondary);
}

.break-empty {
    color: var(--text-muted);
    font-size: 0.88rem;
    padding: 0.3rem 0;
}

.close-btn {
    border: none;
    background: var(--surface-soft);
    color: var(--text-primary);
    width: 2rem;
    height: 2rem;
    border-radius: 0.65rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.modal {
    position: fixed;
    inset: 0;
    background-color: rgba(2, 6, 23, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-secondary);
    border-radius: 1rem;
    width: 92%;
    max-width: 420px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    padding: 0.95rem;
    overflow-y: auto;
}

.setting-item {
    margin-bottom: 0.95rem;
}

.setting-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
}

.setting-label input[type="checkbox"] {
    width: 1.15rem;
    height: 1.15rem;
    accent-color: var(--accent-primary);
}

.settings-action-btn,
.save-btn,
.cancel-btn,
.clear-btn {
    border: none;
    border-radius: 0.65rem;
    padding: 0.65rem 0.8rem;
    cursor: pointer;
    font-weight: 700;
}

.settings-action-btn,
.save-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
}

.cancel-btn,
.clear-btn {
    background: var(--surface-soft);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.breaks-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    margin-bottom: 0.6rem;
}

.break-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.45rem;
    align-items: center;
    margin-bottom: 0.6rem;
}

.time-edit-section {
    margin-bottom: 1.1rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.time-edit-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0.7rem;
}

.time-input {
    width: 100%;
    padding: 0.65rem;
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    background: var(--surface-soft);
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.45rem;
}

.time-input:focus {
    outline: 2px solid color-mix(in oklab, var(--accent-primary) 65%, transparent);
    outline-offset: 1px;
}

.time-edit-actions {
    display: flex;
    gap: 0.65rem;
    margin-top: 1rem;
}

.dialog-content {
    max-width: 360px;
}

.dialog-message {
    color: var(--text-secondary);
    line-height: 1.5;
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1rem;
}

.hidden {
    display: none !important;
}

.desktop-only-status {
    display: none;
}

@media (max-width: 480px) {
    .header {
        padding: 0.75rem 0.5rem;
    }
    
    .header-content {
        padding: 0.6rem 0.7rem;
    }

    .app-title-wordmark {
        font-size: 0.95rem;
    }

    .main-content {
        padding: 0.4rem 0.75rem 1rem;
    }

    .progress-section {
        min-height: 240px;
    }

    .progress-container {
        width: 190px;
        height: 190px;
    }

    .main-time {
        font-size: 1.5rem;
    }
}

@media (max-width: 380px) {
    .controls-container,
    .break-summary-grid,
    .status-container {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }

    .status-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .status-item:last-child {
        grid-column: span 2;
        text-align: center;
        align-items: center;
        border-top: 1px solid var(--border-color);
        padding-top: 0.5rem;
    }

    .progress-container {
        width: 170px;
        height: 170px;
    }

    .main-time {
        font-size: 1.3rem;
    }

    .break-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 0 0.5rem;
    }
}

@media (max-width: 320px) {
    .status-container {
        grid-template-columns: 1fr;
    }
    
    .status-item:last-child {
        grid-column: span 1;
    }
    
    .progress-container {
        width: 150px;
        height: 150px;
    }

    .main-time {
        font-size: 1.15rem;
    }
}

@media (min-width: 900px) {
    .app-container {
        max-width: 1000px;
        box-shadow: 0 0 80px rgba(0,0,0,0.1);
    }

    .main-content {
        display: grid;
        grid-template-columns: 460px 1fr;
        gap: 1.5rem;
        align-items: start;
        padding: 1.5rem;
    }

    #main-screen.hidden,
    #breaks-screen.hidden {
        display: flex !important;
    }

    /* Column layout adjustments */
    #main-screen {
        flex: 0 0 460px;
    }

    #breaks-screen {
        flex: 1;
    }

    /* In desktop mode, we don't need the screen navigation buttons */
    #main-screen .screen-nav,
    #breaks-screen .screen-nav {
        display: none !important;
    }

    .progress-section {
        min-height: 320px;
    }

    .progress-container {
        width: 260px;
        height: 260px;
    }

    .main-time {
        font-size: 2.1rem;
    }

    .worked-time {
        font-size: 1.25rem;
    }

    .status-container {
        grid-template-columns: repeat(3, 1fr);
    }

    .mobile-only-status {
        display: none;
    }

    .desktop-only-status {
        display: block;
        margin-bottom: 0.5rem;
    }

    .desktop-only-status .status-container {
        grid-template-columns: repeat(2, 1fr);
        padding: 1.25rem;
    }

    .break-summary-grid {
        grid-template-columns: repeat(2, 1fr); /* Multiple rows as requested */
        gap: 1rem;
    }
    
    .break-summary-grid .summary-item:last-child {
        grid-column: span 2;
        text-align: center;
        background: var(--surface-soft);
        padding: 0.75rem;
        border-radius: 0.75rem;
    }

    .break-history-card {
        max-height: calc(100vh - 350px); /* Adjusted for more content above */
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .break-history-list {
        overflow-y: auto;
        padding-right: 0.5rem;
        flex: 1;
    }

    /* Scrollbar for the break list in desktop */
    .break-history-list::-webkit-scrollbar {
        width: 4px;
    }
}

@media (min-width: 521px) {
    .app-container {
        border-left: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
        box-shadow: 0 0 50px rgba(0,0,0,0.05);
    }
}

button:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}

@media print {
    .header-controls,
    .controls-container,
    .screen-nav {
        display: none;
    }

    .app-container {
        max-width: none;
        border: none;
    }
}