:root {
    --color-primary: #0072b8;
    --color-primary-dark: #004f89;
    --color-primary-light: #3478b5;
    --color-secondary: #0f172a;
    --color-background-soft-dark: #0f141c;
    --color-background: #080c15;
    --color-text: #f8fafc;
    --color-border: rgba(255, 255, 255, 0.08);
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 14px;
    --spacing-lg: 18px;
    --border-radius-sm: 5px;
    --border-radius-md: 8px;
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.28);
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background-color: var(--color-background-soft-dark);
    min-height: 100vh;
    padding: 8px 14px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    color: var(--color-text);
}

.app-wrapper {
    width: 98%;
    max-width: 1860px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Membership & Brand Header Bar */
.membership-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(90deg, #0b192c 0%, #004f89 100%);
    color: #ffffff;
    padding: 9px 16px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 10px;
}

.membership-bar__left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-right: 10px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-logo__icon {
    font-size: 18px;
}

.brand-logo__title {
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.2px;
    color: #fff;
}

.brand-logo__title small {
    font-weight: 500;
    color: #7dd3fc;
    font-size: 12px;
    margin-left: 2px;
}

.membership-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.badge--guest {
    background-color: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.badge--basic {
    background-color: #0284c7;
    color: #fff;
}

.badge--expired {
    background-color: #dc2626;
    color: #fff;
}

.badge--pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.membership-info {
    font-size: 13px;
    color: #e2e8f0;
}

.membership-bar__right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-bar {
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-bar--outline {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-bar--outline:hover {
    background: rgba(255, 255, 255, 0.22);
}

.btn-bar--pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.btn-bar--pro:hover {
    filter: brightness(1.08);
}

.btn-bar--danger {
    background: rgba(220, 38, 38, 0.85);
    color: #fff;
}

.btn-bar--danger:hover {
    background: #dc2626;
}

/* Demo Simulator Bar */
.demo-simulator-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #18202c;
    border: 1px solid #2d3748;
    padding: 5px 12px;
    border-radius: var(--border-radius-sm);
    flex-wrap: wrap;
}

.demo-simulator-bar__label {
    color: #fbbf24;
    font-size: 11.5px;
    font-weight: 700;
    margin-right: 4px;
}

.demo-chip {
    background: #283141;
    color: #cbd5e1;
    border: 1px solid #3b475c;
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.demo-chip:hover {
    background: #3b475c;
    color: #fff;
}

.demo-chip.active {
    background: var(--color-primary);
    border-color: #38bdf8;
    color: #fff;
    font-weight: 600;
}

/* Main Workspace Container */
.main-container {
    display: flex;
    gap: 12px;
    height: calc(100vh - 102px);
    min-height: 0;
    width: 100%;
    background-color: #080c15;
    border-radius: var(--border-radius-md);
    padding: 10px 12px;
    box-shadow: none;
}

.panel {
    border-radius: var(--border-radius-md);
    background: #0b1322;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Left Panel */
.panel--left {
    flex: 0 0 365px;
    padding: 14px;
    background: #0b1322;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    color: #f8fafc;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.panel__title {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.2px;
}

.btn-link {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-link:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: #38bdf8;
    color: #ffffff;
}

/* Preset Bar */
.preset-bar {
    background: #080c15;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 8px;
    margin-bottom: 12px;
}

.preset-bar__label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.preset-bar__buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.preset-btn {
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.04);
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.18s ease;
}

.preset-btn:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: rgba(56, 189, 248, 0.4);
    color: #ffffff;
}

.preset-btn.active {
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.35) 0%, rgba(56, 189, 248, 0.25) 100%);
    color: #38bdf8;
    border-color: #38bdf8;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.25);
}

.section__title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #94a3b8;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.input-group {
    margin-bottom: 10px;
}

.input-group label {
    display: block;
    font-size: 12px;
    margin-bottom: 4px;
    font-weight: 600;
    color: #94a3b8;
}

.form-input,
.form-select {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    font-size: 12.5px;
    color: #ffffff;
    background: #080c14;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #38bdf8;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.3);
}

.form-input:disabled,
.btn:disabled {
    background-color: rgba(0, 0, 0, 0.3);
    color: #475569;
    border-color: rgba(255, 255, 255, 0.05);
    cursor: not-allowed;
}

/* Labeled Motion Change Groups */
.degisim-group {
    margin-bottom: 8px;
    padding: 8px 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    background-color: #080c15;
    transition: opacity 0.2s, border-color 0.2s;
}

.degisim-group.group--inactive {
    opacity: 0.35;
    background-color: rgba(0, 0, 0, 0.25);
}

.degisim-group__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.degisim-group__title {
    font-size: 12.5px;
    font-weight: 700;
    color: #e2e8f0;
}

.degisim-group__badge {
    font-size: 10px;
    font-weight: 600;
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    padding: 2px 6px;
    border-radius: 10px;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.degisim-group__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 5px;
}

.mini-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mini-field label {
    font-size: 10px;
    font-weight: 700;
    color: #64748b;
    text-align: center;
    white-space: nowrap;
}

.mini-field .form-input {
    text-align: center;
    padding: 4px 2px;
    font-size: 12.5px;
    font-weight: 600;
    height: 28px;
    background: #080c14;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #10b981;
}

.mini-field--highlight label {
    color: #38bdf8;
}

.mini-field--highlight .form-input:not(:disabled) {
    border-color: #38bdf8;
    background-color: rgba(56, 189, 248, 0.12);
}

/* Geometry Form Rows */
.form-group {
    margin-bottom: 7px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.form-group label {
    font-size: 12.5px;
    font-weight: 600;
    color: #94a3b8;
}

.input-with-unit {
    display: flex;
    align-items: center;
    width: 115px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    overflow: hidden;
    background: #080c14;
}

.input-with-unit .form-input {
    border: none;
    width: 72px;
    text-align: right;
    padding: 4px 6px;
    font-weight: 600;
    background: transparent;
    color: #ffffff;
}

.input-with-unit .form-input:focus {
    box-shadow: none;
}

.unit-tag {
    background: rgba(255, 255, 255, 0.04);
    color: #64748b;
    font-size: 10.5px;
    font-weight: 600;
    padding: 4px 6px;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    flex: 1;
    text-align: center;
}

.left-action-row {
    display: flex;
    gap: 6px;
    margin-top: 10px;
}

.btn--full {
    flex: 1;
}

/* Right Panel */
.panel--right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: transparent;
    min-width: 0;
}

/* KPI Engineering Summary Bar */
.kpi-bar {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.kpi-card {
    background: #0b1322;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 8px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.kpi-card--live {
    background: rgba(15, 23, 42, 0.95);
    border-color: rgba(56, 189, 248, 0.35);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.15);
}

.kpi-card__label {
    font-size: 10px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 3px;
}

.kpi-card--live .kpi-card__label {
    color: #38bdf8;
}

.kpi-card__value-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.kpi-card__value {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
}

.kpi-card--live .kpi-card__value {
    color: #f8fafc;
    font-size: 13px;
}

.kpi-badge {
    font-size: 9.5px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
}

.kpi-badge--ok {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.kpi-badge--warn {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Graphics & CAD View Area */
.graphics {
    display: flex;
    gap: 12px;
    flex: 1;
    min-height: 0;
    width: 100%;
}

.graphics__main-wrapper {
    flex: 1.45;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.graphics__main {
    flex: 1;
    position: relative;
    background: #0b192c;
    background-image:
        radial-gradient(rgba(56, 189, 248, 0.12) 1px, transparent 1px),
        linear-gradient(to right, rgba(56, 189, 248, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
    background-size: 20px 20px, 100px 100px, 100px 100px;
    border: 2px solid #0284c7;
    border-radius: var(--border-radius-md);
    padding: 36px 12px 12px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.35);
}

.cad-overlay-header {
    position: absolute;
    top: 8px;
    left: 12px;
    right: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 20;
    pointer-events: none;
}

.view-mode-switch {
    display: flex;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 6px;
    padding: 2px;
    gap: 3px;
    pointer-events: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.view-mode-btn {
    background: transparent;
    color: #94a3b8;
    border: none;
    border-radius: 4px;
    padding: 5px 11px;
    font-size: 11.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: 0.2px;
}

.view-mode-btn:hover {
    color: #e2e8f0;
}

.view-mode-btn.active {
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.45);
}

.cad-zoom-controls {
    display: flex;
    gap: 4px;
    pointer-events: auto;
}

.cad-tool-btn {
    background: rgba(15, 23, 42, 0.85);
    color: #e0f2fe;
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: 4px;
    width: 28px;
    height: 26px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}

.cad-tool-btn--wide {
    width: auto;
    padding: 0 8px;
    font-size: 11px;
}

.cad-tool-btn:hover,
.cad-tool-btn.active {
    background: #0284c7;
    color: #fff;
}

#sonucGrafik {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.viewer-3d-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    cursor: grab;
}

.viewer-3d-container:active {
    cursor: grabbing;
}

.viewer-3d-hint {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.82);
    color: #bae6fd;
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
    z-index: 15;
    white-space: nowrap;
}

/* Interactive Player & Scrubber Toolbar */
.player-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #0b1322;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 8px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    flex-wrap: wrap;
}

.scrubber-group {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 180px;
    background: #080c15;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.scrubber-label {
    font-size: 11.5px;
    color: #cbd5e1;
    white-space: nowrap;
    min-width: 112px;
    font-variant-numeric: tabular-nums;
    font-family: 'JetBrains Mono', monospace;
}

.angle-slider {
    flex: 1;
    cursor: pointer;
    accent-color: #38bdf8;
}

.export-toolbar-group {
    display: flex;
    gap: 6px;
}

/* Secondary Kinematic Plots */
.graphics__plots {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.plots-mode-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0b1322;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 6px 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    gap: 8px;
}

.plots-mode-bar__label {
    font-size: 10.5px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.plots-mode-bar__btns {
    display: flex;
    gap: 4px;
    background: #080c15;
    padding: 3px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.plot-mode-btn {
    background: transparent;
    border: none;
    color: #64748b;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 9px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.plot-mode-btn:hover {
    color: #ffffff;
}

.plot-mode-btn.active {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.plot {
    width: 100%;
    flex: 1;
    min-height: 0;
    background: #0b1322;
    padding: 10px 12px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
}

.plot__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.plot__title {
    font-size: 12px;
    font-weight: 700;
    color: #e2e8f0;
}

.plot__unit {
    font-size: 10.5px;
    color: #64748b;
    font-weight: 600;
}

.plot__canvas-wrap {
    flex: 1;
    position: relative;
    min-height: 0;
}

.plot canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Buttons */
.btn {
    padding: 7px 13px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 700;
    font-size: 12.5px;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-primary);
    color: white;
}

.btn--primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
}

#playBtn,
.btn--play,
.animate-btn {
    background: #16a34a !important;
    background-color: #16a34a !important;
    background-image: none !important;
    color: #fff !important;
    border: 1px solid #15803d !important;
    font-weight: 700 !important;
    min-width: 82px;
    transition: all 0.15s ease;
}

#playBtn:hover:not(:disabled):not(.active),
.btn--play:hover:not(:disabled):not(.active),
.animate-btn:hover:not(:disabled):not(.active) {
    background: #15803d !important;
    background-color: #15803d !important;
    background-image: none !important;
    border-color: #15803d !important;
}

#playBtn.active,
.btn--play.active,
.animate-btn.active {
    background: #dc2626 !important;
    background-color: #dc2626 !important;
    background-image: none !important;
    border-color: #b91c1c !important;
    color: #fff !important;
    box-shadow: 0 0 10px rgba(220, 38, 38, 0.45) !important;
}

#playBtn.active:hover:not(:disabled),
.btn--play.active:hover:not(:disabled),
.animate-btn.active:hover:not(:disabled) {
    background: #b91c1c !important;
    background-color: #b91c1c !important;
    background-image: none !important;
}

.btn--export-sw {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #ffffff;
    border: 1px solid #991b1b;
    box-shadow: 0 2px 6px rgba(220, 38, 38, 0.25);
}

.btn--export-sw:hover:not(:disabled) {
    filter: brightness(1.1);
}

.btn--export-dxf {
    background: #0f172a;
    color: #38bdf8;
    border: 1px solid #0284c7;
}

.btn--export-dxf:hover:not(:disabled) {
    background: #0284c7;
    color: #ffffff;
}

.btn--export-stl {
    background: #0f172a;
    color: #c084fc;
    border: 1px solid #9333ea;
}

.btn--export-stl:hover:not(:disabled) {
    background: #9333ea;
    color: #ffffff;
}

.btn--export-xls {
    background: #0f172a;
    color: #4ade80;
    border: 1px solid #16a34a;
}

.btn--export-xls:hover:not(:disabled) {
    background: #16a34a;
    color: #ffffff;
}

/* SolidWorks & CAD Hub Grid */
.sw-hub-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 12px;
}

.sw-hub-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 16px;
    background: #0b1322;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sw-hub-card:hover {
    border-color: #38bdf8;
    background: #111c30;
    box-shadow: 0 6px 16px rgba(56, 189, 248, 0.15);
}

.sw-hub-card__badge {
    display: inline-block;
    font-size: 10.5px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    width: fit-content;
}

.sw-hub-card__title {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    margin-top: 4px;
}

.sw-hub-card__desc {
    font-size: 12.5px;
    color: #94a3b8;
    line-height: 1.45;
}

.sw-hub-card__steps {
    font-size: 11.5px;
    background: #080c15;
    color: #e2e8f0;
    padding: 8px 10px;
    border-radius: 6px;
    font-family: monospace;
    line-height: 1.4;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.sayfayi-sifirla {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 7px 12px;
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 700;
}

.sayfayi-sifirla:hover {
    background-color: rgba(239, 68, 68, 0.35);
}

/* Unified Modals (Pricing, Auth, Payment, Diagram Guide) */
.unified-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(8, 12, 21, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 16px;
    animation: fadeIn 0.2s ease-out;
}

.unified-modal {
    background: #ffffff;
    color: #0f172a;
    border-radius: 12px;
    max-width: 920px;
    width: 100%;
    padding: 26px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    position: relative;
    max-height: 92vh;
    overflow-y: auto;
}

.unified-modal--narrow {
    max-width: 480px;
}

.unified-modal__close {
    position: absolute;
    top: 16px;
    right: 18px;
    background: #f1f5f9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 20px;
    line-height: 1;
    color: #475569;
    cursor: pointer;
}

.unified-modal__close:hover {
    background: #e2e8f0;
    color: #0f172a;
}

.unified-modal__title {
    font-size: 21px;
    color: #0f172a;
    margin-bottom: 6px;
    font-weight: 700;
}

.unified-modal__subtitle {
    font-size: 13.5px;
    color: #475569;
    margin-bottom: 16px;
    line-height: 1.45;
}

.modal-alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 13.5px;
    line-height: 1.45;
}

.modal-alert--warning {
    background-color: #fffbeb;
    border: 1px solid #f59e0b;
    color: #92400e;
}

.modal-alert--info {
    background-color: #f0f9ff;
    border: 1px solid #38bdf8;
    color: #0c4a6e;
}

.modal-alert--danger {
    background-color: #fef2f2;
    border: 1px solid #f87171;
    color: #991b1b;
}

/* Pricing Cards Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 10px;
}

.pricing-card {
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    position: relative;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    border-color: #94a3b8;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.pricing-card--featured {
    border: 2px solid #0284c7;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.pricing-card--pro {
    border: 2px solid #f59e0b;
    background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}

.pricing-card__ribbon {
    position: absolute;
    top: -11px;
    right: 14px;
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
}

.pricing-card--pro .pricing-card__ribbon {
    background: #d97706;
}

.pricing-card__name {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
}

.pricing-card__price {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 4px;
}

.pricing-card__price span {
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
}

.pricing-card__duration {
    font-size: 12px;
    font-weight: 600;
    color: #dc2626;
    margin-bottom: 12px;
}

.pricing-card__features {
    list-style: none;
    margin-bottom: 18px;
    flex: 1;
}

.pricing-card__features li {
    font-size: 13px;
    color: #334155;
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 7px;
    line-height: 1.35;
}

.pricing-card__btn {
    width: 100%;
    padding: 10px 14px;
    border-radius: 6px;
    border: none;
    font-weight: 700;
    font-size: 13.5px;
    cursor: pointer;
    transition: all 0.2s;
}

.pricing-card__btn--free {
    background: #0284c7;
    color: #fff;
}

.pricing-card__btn--free:hover:not(:disabled) {
    background: #0369a1;
}

.pricing-card__btn--single {
    background: #0f172a;
    color: #fff;
}

.pricing-card__btn--single:hover:not(:disabled) {
    background: #1e293b;
}

.pricing-card__btn--pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.pricing-card__btn--pro:hover:not(:disabled) {
    filter: brightness(1.08);
}

.pricing-card__btn:disabled {
    background: #cbd5e1;
    color: #64748b;
    cursor: not-allowed;
}

/* Auth & Checkout Form Styles */
.modal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-form__group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.modal-form__group label {
    font-size: 13px;
    font-weight: 600;
    color: #334155;
}

.modal-form__input {
    padding: 9px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
}

.modal-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.modal-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10000;
}

.toast {
    background: #0f172a;
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 13px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    border-left: 4px solid #38bdf8;
    animation: fadeIn 0.25s ease-out;
    max-width: 390px;
}

.toast--success {
    border-left-color: #22c55e;
}

.toast--warning {
    border-left-color: #f59e0b;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1100px) {
    .kpi-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .main-container {
        flex-direction: column;
        height: auto;
    }
    .panel--left {
        flex: none;
        width: 100%;
    }
    .graphics {
        flex-direction: column;
    }
    .graphics__main {
        min-height: 400px;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    body {
        padding: 4px;
    }
    .kpi-bar {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .graphics__main {
        min-height: 280px;
    }
    .player-toolbar {
        flex-wrap: wrap;
        gap: 8px;
    }
    .scrubber-group {
        width: 100%;
    }
}

/* Function Synthesis Studio Specific Styles */
#mechanismCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.degisim-group__grid--5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
}

.form-input.calculated {
    background-color: #22c55e !important;
    border-color: #15803d !important;
    color: transparent !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35), 0 1px 4px rgba(22, 163, 74, 0.35);
    cursor: default;
}

.cad-overlay-left {
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
    flex-wrap: wrap;
}

.cad-overlay-select {
    background: rgba(15, 23, 42, 0.92);
    color: #f8fafc;
    border: 1px solid rgba(56, 189, 248, 0.45);
    border-radius: 6px;
    padding: 5px 10px;
    font-size: 11.5px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    outline: none;
}

.cad-overlay-select:focus {
    border-color: #38bdf8;
}

.btn--export-txt {
    background: #0f172a;
    color: #fbbf24;
    border: 1px solid #d97706;
}

.btn--export-txt:hover:not(:disabled) {
    background: #d97706;
    color: #ffffff;
}

.schematic-preview-card {
    background: #080c15;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    padding: 6px 8px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.schematic-preview-card:hover {
    border-color: #38bdf8;
    background: #111c30;
}

.schematic-preview-card img {
    height: 44px;
    width: auto;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.schematic-preview-card__info {
    flex: 1;
}

.schematic-preview-card__title {
    font-size: 11.5px;
    font-weight: 700;
    color: #ffffff;
}

.schematic-preview-card__sub {
    font-size: 10.5px;
    color: #38bdf8;
    font-weight: 600;
}

.phys-two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px 10px;
    margin-bottom: 4px;
}

.phys-two-col-grid .form-group {
    margin-bottom: 0;
}

.phys-two-col-grid .form-group label {
    font-size: 11.5px;
    white-space: nowrap;
}

.phys-two-col-grid .input-with-unit {
    width: 88px;
}

.phys-two-col-grid .input-with-unit .form-input {
    width: 52px;
    padding: 3px 4px;
    font-size: 12px;
}

.phys-two-col-grid .unit-tag {
    font-size: 10px;
    padding: 3px 4px;
}

/* Compact Laptop & Small-Display Ergonomics (<= 850px Viewport Height) */
@media (max-height: 850px) {
    body {
        padding: 4px 8px;
    }
    .membership-bar {
        padding: 5px 12px;
    }
    .main-container {
        padding: 6px 10px !important;
        gap: 8px !important;
        height: calc(100vh - 78px) !important;
    }
    .panel--left {
        padding: 8px 10px !important;
        gap: 6px !important;
        font-size: 11.5px !important;
        flex: 0 0 385px !important;
    }
    .panel-section {
        margin-bottom: 6px !important;
        padding-bottom: 6px !important;
    }
    .panel-header {
        margin-bottom: 5px !important;
        font-size: 12px !important;
    }
    .form-group {
        margin-bottom: 4px !important;
    }
    .form-group label {
        font-size: 10.5px !important;
        margin-bottom: 2px !important;
    }
    .input-field, .select-field, .form-input {
        height: 28px !important;
        padding: 2px 8px !important;
        font-size: 11.5px !important;
    }
    .btn--primary, .btn--secondary, .btn--ghost {
        padding: 5px 10px !important;
        font-size: 11px !important;
    }
    .kpi-bar {
        gap: 6px !important;
    }
    .kpi-card {
        padding: 4px 8px !important;
    }
    .kpi-card__label {
        font-size: 9px !important;
        margin-bottom: 1px !important;
    }
    .kpi-card__value {
        font-size: 13px !important;
    }
    .player-toolbar {
        padding: 4px 8px !important;
        gap: 6px !important;
    }
    .scrubber-group {
        padding: 3px 8px !important;
    }
    .scrubber-label {
        font-size: 10.5px !important;
    }
}