/* Variables & Design System */
:root {
    --color-bg: #06070a;
    --color-bg-light: #0d0f15;
    --color-card-dark: #0f1118;
    --color-card: rgba(16, 20, 30, 0.65);
    --color-card-border: rgba(255, 255, 255, 0.05);
    
    /* Neon Accents for the 4 Systems + Plaza */
    --color-french: #00f2fe;
    --color-french-rgb: 0, 242, 254;
    --color-italic: #f5af19;
    --color-italic-rgb: 245, 175, 25;
    --color-babylonian: #11998e;
    --color-babylonian-rgb: 17, 153, 142;
    --color-temporary: #d94b36;
    --color-temporary-rgb: 217, 75, 54;

    /* Text Colors */
    --text-primary: #f1f3f9;
    --text-secondary: #909bb0;
    --text-muted: #5e6b82;
    
    /* Sundial Styling Tokens (Premium Cosmic Dark System) */
    --color-sundial-bg: #07090d; /* deep cosmic black */
    --stroke-solstice: #ff4757;  /* Neon red-coral */
    --stroke-equinox: #00db6e;   /* Neon emerald green */
    --stroke-hour-line: rgba(255, 255, 255, 0.6); /* Highly visible bright off-white */
    --stroke-hour-line-hover: #ffffff;
    --stroke-grid: rgba(255, 255, 255, 0.18); /* Visible helper grids */
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg);
    color: var(--text-primary);
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    padding: 2.5rem 1.5rem;
    overflow-x: hidden;
    position: relative;
    line-height: 1.5;
}

/* Cosmic Background Glow */
.bg-glow {
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.03) 0%, rgba(245, 175, 25, 0.02) 50%, transparent 100%);
    top: -10%;
    left: 20%;
    z-index: -1;
    pointer-events: none;
    filter: blur(100px);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
    background: #202636;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #303950;
}

/* Header */
.app-header {
    max-width: 1300px;
    margin: 0 auto 2.5rem auto;
    text-align: center;
    border-bottom: 1px solid var(--color-card-border);
    padding-bottom: 1.5rem;
}

.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.sun-icon {
    width: 2.75rem;
    height: 2.75rem;
    color: var(--color-italic);
    filter: drop-shadow(0 0 10px rgba(245, 175, 25, 0.4));
    animation: rotate-sun 60s linear infinite;
}

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

.logo-text h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #fff 30%, var(--color-french) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.logo-text span {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-muted);
    display: block;
    margin-top: 0.25rem;
}

.header-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    font-weight: 300;
}

/* Main 2x2 Grid Layout for top 4 quadrants */
.app-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 1300px;
    margin: 0 auto 1.5rem auto;
}

/* Standalone Horizontal Plaza Dial Layout at bottom */
.full-width-container {
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
}

.card-full-width {
    border-radius: 20px;
}

.card-content-horizontal {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.card-full-width .dial-container {
    max-width: 450px;
    width: 100%;
    aspect-ratio: 1.05;
    margin: 0 auto;
}

.dial-info-panel-horizontal {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.plaza-historical-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Cards (Glassmorphism) */
.card {
    background: var(--color-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-card-border);
    border-radius: 20px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-glow {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--accent), 0.08) 0%, transparent 70%);
    top: -50px;
    right: -50px;
    z-index: 0;
    pointer-events: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.card-title {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.card-title h2 {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge {
    align-self: flex-start;
    padding: 0.15rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 6px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge-french { background: rgba(0, 242, 254, 0.15); color: var(--color-french); border: 1px solid rgba(0, 242, 254, 0.25); }
.badge-italic { background: rgba(245, 175, 25, 0.15); color: var(--color-italic); border: 1px solid rgba(245, 175, 25, 0.25); }
.badge-babylonian { background: rgba(17, 153, 142, 0.15); color: var(--color-babylonian); border: 1px solid rgba(17, 153, 142, 0.25); }
.badge-temporary { background: rgba(217, 75, 54, 0.15); color: var(--color-temporary); border: 1px solid rgba(217, 75, 54, 0.25); }

.header-icon {
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
}

.icon-french { color: var(--color-french); }
.icon-italic { color: var(--color-italic); }
.icon-babylonian { color: var(--color-babylonian); }
.icon-temporary { color: var(--color-temporary); }

.header-action-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-toggle-controls {
    display: none; /* Hidden by default on desktop */
}

.card-content {
    position: relative;
    z-index: 1;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Dividers */
.divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin: 0.5rem 0;
}

/* Forms & Controls */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.form-group label i {
    width: 0.95rem;
    height: 0.95rem;
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.value-display {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--color-french);
    background: rgba(0, 242, 254, 0.05);
    padding: 0.1rem 0.5rem;
    border-radius: 6px;
    border: 1px solid rgba(0, 242, 254, 0.1);
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.full-width {
    grid-column: span 2;
}

.time-control-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Custom inputs styling */
input[type="date"],
input[type="time"] {
    background: #11141d;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="date"]:focus,
input[type="time"]:focus {
    border-color: var(--color-french);
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.1);
}

/* Styled Range Sliders */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #191f2e;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-french);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
    transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Sliders specific thumbs */
#input-dec::-webkit-slider-thumb { background: var(--text-primary); box-shadow: 0 0 8px rgba(255, 255, 255, 0.4); }

/* Preset Buttons */
.preset-buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.4rem;
}

.dec-preset-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
    margin-top: 0.4rem;
}

.btn {
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 0.4rem 0.25rem;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.btn-preset.active {
    background: rgba(0, 242, 254, 0.1);
    color: var(--color-french);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.btn-dec-preset {
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.01);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 0.35rem 0.2rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.btn-dec-preset:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.btn-dec-preset.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-gps {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(0, 242, 254, 0.06);
    border: 1px solid rgba(0, 242, 254, 0.15);
    color: var(--color-french);
    font-weight: 600;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-gps:hover:not(:disabled) {
    background: rgba(0, 242, 254, 0.12);
    border-color: rgba(0, 242, 254, 0.35);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.15);
}

.btn-gps:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-gps:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}


/* Checkboxes */
.checkbox-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.25rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 0.85rem;
    user-select: none;
    color: var(--text-secondary);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #191f2e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    transition: background-color 0.2s, border-color 0.2s;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: rgba(255, 255, 255, 0.2);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-french);
    border-color: var(--color-french);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid black;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.play-icon {
    width: 0.85rem;
    height: 0.85rem;
    margin-left: 0.2rem;
}

.inline-icon {
    display: inline-block;
    vertical-align: middle;
}

/* Analog & Solar Telemetry Section */
.clock-telemetry-container {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1rem;
    align-items: center;
    margin-top: 0.5rem;
}

.mechanical-clock-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Elegant French Analog Clock */
.analog-clock {
    position: relative;
    width: 105px;
    height: 105px;
    border-radius: 50%;
    background: #0b0d14;
    border: 2px solid rgba(0, 242, 254, 0.15);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.05), inset 0 0 10px rgba(0, 0, 0, 0.8);
}

.clock-face {
    position: relative;
    width: 100%;
    height: 100%;
}

.center-nut {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-french);
    box-shadow: 0 0 6px var(--color-french);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.hand {
    position: absolute;
    left: 50%;
    bottom: 50%;
    border-radius: 4px;
    transform-origin: bottom center;
    transform: rotate(0deg);
}

.hour-hand {
    width: 3px;
    height: 28px;
    background: var(--text-primary);
    margin-left: -1.5px;
    z-index: 5;
}

.minute-hand {
    width: 2px;
    height: 38px;
    background: var(--color-french);
    margin-left: -1px;
    z-index: 6;
}

.second-hand {
    width: 0.8px;
    height: 42px;
    background: #ff4757;
    margin-left: -0.4px;
    z-index: 7;
}

.clock-number {
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 3px;
    transform: rotate(calc(var(--i) * 30deg));
}

/* Telemetry display */
.solar-telemetry h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    border-left: 2px solid var(--color-french);
    padding-left: 0.4rem;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.4rem;
}

.telemetry-item {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.015);
    border-radius: 6px;
    padding: 0.3rem 0.5rem;
}

.tel-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.tel-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.text-french { color: var(--color-french); text-shadow: 0 0 5px rgba(0, 242, 254, 0.2); }
.text-italic { color: var(--color-italic); text-shadow: 0 0 5px rgba(245, 175, 25, 0.2); }
.text-babylonian { color: var(--color-babylonian); text-shadow: 0 0 5px rgba(17, 153, 142, 0.2); }
.text-temporary { color: var(--color-temporary); text-shadow: 0 0 5px rgba(217, 75, 54, 0.2); }

/* WIDGET LEMNISCATA / ANALEMMA */
.analemma-container {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: 0.75rem;
    margin-top: 0.25rem;
}

.analemma-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.analemma-icon {
    width: 1.1rem;
    height: 1.1rem;
    color: var(--color-french);
    filter: drop-shadow(0 0 5px rgba(0, 242, 254, 0.4));
}

.analemma-header h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.analemma-wrapper {
    width: 100%;
    height: 140px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #07090d;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    overflow: hidden;
    padding: 0.25rem;
}

.analemma-svg {
    width: 100%;
    height: 100%;
}

.analemma-footer {
    display: block;
    text-align: center;
    margin-top: 0.4rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

/* Analemma SVG Elements */
.analemma-svg .analemma-grid {
    stroke: rgba(255, 255, 255, 0.03);
    stroke-width: 0.5;
}

.analemma-svg .analemma-grid-active {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 0.75;
    stroke-dasharray: 2 3;
}

.analemma-svg .analemma-axis-label {
    font-size: 5px;
    fill: var(--text-muted);
}

.analemma-svg .analemma-curve {
    fill: none;
    stroke: rgba(0, 242, 254, 0.3);
    stroke-width: 1.25;
}

.analemma-svg .analemma-point {
    fill: #ffffff;
    stroke: var(--color-french);
    stroke-width: 1.5;
    filter: drop-shadow(0 0 4px var(--color-french));
}

.analemma-svg .analemma-month-label {
    font-size: 5.5px;
    fill: var(--text-muted);
    font-weight: 500;
}

/* Sundial Canvas Container */
.dial-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1.05;
    background: var(--color-sundial-bg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dial-card .dial-container {
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
}

.sundial-svg {
    width: 100%;
    height: 100%;
    transition: opacity 0.3s;
}

/* Shadows overlay message (Sun behind wall) */
.shadow-overlay-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(6, 7, 10, 0.85);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    pointer-events: none;
    z-index: 10;
    display: none; /* Controlled in JS */
    animation: pulse-border 2s infinite ease-in-out;
}

@keyframes pulse-border {
    0% { border-color: rgba(255, 255, 255, 0.15); }
    50% { border-color: rgba(255, 255, 255, 0.4); }
    100% { border-color: rgba(255, 255, 255, 0.15); }
}

/* SVG Sundial Lines styling */
.sundial-svg .dial-border {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 2;
}

.sundial-svg .substyle-line {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1;
    stroke-dasharray: 2 4;
}

.sundial-svg .declination-line {
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
}

.sundial-svg .solstice-summer { stroke: var(--stroke-solstice); opacity: 0.75; }
.sundial-svg .solstice-winter { stroke: #00a8ff; opacity: 0.85; }
.sundial-svg .equinox-line { stroke: var(--stroke-equinox); opacity: 0.85; }

.sundial-svg .hour-line {
    fill: none;
    stroke: var(--stroke-hour-line);
    stroke-width: 1.25;
    stroke-linecap: round;
    transition: stroke-width 0.2s, stroke 0.2s;
}

.sundial-svg .hour-line:hover {
    stroke: var(--stroke-hour-line-hover);
    stroke-width: 2;
    cursor: pointer;
}

.sundial-svg .shadow-ray {
    stroke: rgba(255, 255, 255, 0.35); /* Elegant light dashed ray */
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 2 3;
}

.sundial-svg .shadow-dot-blur {
    fill: rgba(0, 0, 0, 0.7);
    filter: blur(3px);
}

.sundial-svg .shadow-dot {
    fill: #ffffff; /* Neon white sharp nodus shadow dot */
    filter: drop-shadow(0 2px 4px rgba(255, 255, 255, 0.35));
}

.sundial-svg .gnomon-base {
    fill: var(--color-sundial-bg);
    stroke: #ffffff;
    stroke-width: 1.5;
}

.sundial-svg .gnomon-base-dot {
    fill: #ff4757;
}

.sundial-svg .label-text {
    font-size: 7.5px;
    font-weight: 700;
    fill: var(--text-secondary);
    text-anchor: middle;
    pointer-events: none;
}

.sundial-svg .hour-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    font-weight: 600;
    fill: var(--text-primary);
    pointer-events: none;
}

.sundial-svg .axis-text {
    font-size: 6px;
    font-weight: 500;
    fill: var(--text-muted);
}

/* Horizontal Pavement Plaza Specific SVG */
.sundial-svg .pavement-ring {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08); /* Faint space-gray stone rings */
    stroke-width: 1.25;
}

.sundial-svg .pavement-grid {
    fill: none;
    stroke: rgba(255, 255, 255, 0.04);
    stroke-width: 0.75;
}

.sundial-svg .human-gnomon-figure {
    fill: #ffffff; /* Premium white human silhouette */
    stroke: rgba(255, 255, 255, 0.6);
    stroke-width: 1;
    filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.45));
}

.sundial-svg .human-shadow-silhouette {
    fill: rgba(236, 230, 220, 0.55); /* Beautiful beige travertine shadow (#ece6dc) */
    stroke: rgba(236, 230, 220, 0.15);
    stroke-width: 0.5;
    filter: blur(2.5px);
    opacity: 0.85;
}

.sundial-svg .cardinal-marker {
    font-size: 9px;
    font-weight: 800;
    fill: var(--text-secondary);
    text-anchor: middle;
    pointer-events: none;
    letter-spacing: 0.5px;
}

.sundial-svg .cardinal-marker-north {
    fill: #d94b36; /* Red North marker */
}

/* Dial details card */
.dial-info-panel {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.25rem;
}

.info-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
}

.info-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.05rem;
}

.dial-historical-notes {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 300;
}

.dial-historical-notes strong {
    font-weight: 500;
    color: var(--text-primary);
}

/* Footer */
.app-footer {
    max-width: 1300px;
    margin: 2.5rem auto 0 auto;
    text-align: center;
    border-top: 1px solid var(--color-card-border);
    padding-top: 1.5rem;
}

.app-footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive Grid Adaptation */
@media (max-width: 1100px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding: 1.25rem 0.75rem;
    }
    .card {
        padding: 1.25rem;
    }
    .app-header {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }
    .logo-text h1 {
        font-size: 1.75rem;
    }
    .logo-text span {
        letter-spacing: 2px;
    }
    .header-desc {
        font-size: 0.85rem;
    }
    .app-grid {
        gap: 1rem;
        margin-bottom: 1rem;
    }
    .full-width-container {
        margin-bottom: 1rem;
    }
    .card-content-horizontal {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Optimized Grid for preset buttons on mobile (2 columns) */
    .preset-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    #btn-custom {
        grid-column: span 2;
    }
    
    /* Toggle Button Styles for Collapsible Dashboard Controls */
    .btn-toggle-controls {
        display: flex;
        align-items: center;
        gap: 0.35rem;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        color: var(--color-french);
        font-family: inherit;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 0.4rem 0.75rem;
        cursor: pointer;
        transition: all 0.25s ease;
    }
    
    .btn-toggle-controls:hover {
        background: rgba(var(--color-french-rgb), 0.12);
        border-color: rgba(var(--color-french-rgb), 0.25);
    }
    
    .btn-toggle-controls i {
        width: 14px;
        height: 14px;
    }

    /* Beautiful Collapsing Slide Transition */
    .control-card.collapsed .card-content {
        max-height: 0;
        padding: 0;
        margin: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                    opacity 0.25s ease, 
                    padding 0.4s ease, 
                    margin 0.4s ease;
    }
    
    .control-card .card-content {
        max-height: 2200px;
        opacity: 1;
        transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                    opacity 0.4s ease, 
                    padding 0.6s ease, 
                    margin 0.6s ease;
    }
}

@media (max-width: 480px) {
    /* Stack declination buttons vertically on very small mobile phones */
    .dec-preset-buttons {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }
    .dec-preset-buttons button {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
}

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