/* ===== COFFEE CALCULATOR v6.0 ===== */
:root {
    --cc-primary: #6F4E37;
    --cc-primary-light: #8D6E63;
    --cc-primary-dark: #4E342E;
    --cc-accent: #D4A574;
    --cc-bg: #FBF8F5;
    --cc-card: #FFFFFF;
    --cc-border: #E8E0DA;
    --cc-text: #3E2723;
    --cc-text-secondary: #795548;
    --cc-success: #2E7D32;
    --cc-warning: #E65100;
    --cc-info: #1565C0;
    --cc-radius: 16px;
    --cc-shadow: 0 2px 12px rgba(78,52,46,0.08);
    --cc-shadow-hover: 0 6px 24px rgba(78,52,46,0.14);
}

/* Container */
.cc-calculator {
    max-width: 800px;
    margin: 1.5rem auto;
    padding: 0 16px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--cc-text);
    -webkit-font-smoothing: antialiased;
}

/* Sections */
.cc-section {
    background: var(--cc-card);
    border-radius: var(--cc-radius);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--cc-shadow);
    border: 1px solid var(--cc-border);
}

.cc-section-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.cc-step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--cc-primary);
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 15px;
    flex-shrink: 0;
}

.cc-section-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cc-primary-dark);
    border: none;
    padding: 0;
}

/* ===== Methods Grid ===== */
.cc-methods-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.cc-method-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 6px 12px;
    background: var(--cc-bg);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}

.cc-method-card:hover {
    border-color: var(--cc-accent);
    background: #FFF8F0;
    transform: translateY(-2px);
    box-shadow: var(--cc-shadow);
}

.cc-method-card.active {
    border-color: var(--cc-primary);
    background: #FFF3E8;
    box-shadow: 0 0 0 3px rgba(111,78,55,0.12);
}

.cc-method-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cc-primary);
}

.cc-method-icon svg {
    width: 36px;
    height: 36px;
}

.cc-method-card.active .cc-method-icon {
    color: var(--cc-primary-dark);
}

.cc-method-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--cc-text-secondary);
    text-align: center;
    line-height: 1.2;
}

.cc-method-card.active .cc-method-name {
    color: var(--cc-primary-dark);
}

/* ===== Cups Selector ===== */
.cc-cups-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.cc-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--cc-text-secondary);
    white-space: nowrap;
}

.cc-cups-selector {
    display: flex;
    gap: 6px;
}

.cc-cup-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--cc-border);
    border-radius: 10px;
    background: var(--cc-bg);
    font-size: 15px;
    font-weight: 700;
    color: var(--cc-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}

.cc-cup-btn:hover {
    border-color: var(--cc-accent);
}

.cc-cup-btn.active {
    background: var(--cc-primary);
    color: #fff;
    border-color: var(--cc-primary);
}

/* ===== Input Blocks ===== */
.cc-inputs-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.cc-input-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cc-input-wrap {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--cc-bg);
    border: 2px solid var(--cc-border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.cc-input-wrap:focus-within {
    border-color: var(--cc-primary);
    box-shadow: 0 0 0 3px rgba(111,78,55,0.08);
}

.cc-adj {
    width: 44px;
    height: 48px;
    border: none;
    background: transparent;
    font-size: 20px;
    font-weight: 600;
    color: var(--cc-primary);
    cursor: pointer;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    font-family: inherit;
}

.cc-adj:hover {
    background: rgba(111,78,55,0.08);
}

.cc-adj:active {
    background: rgba(111,78,55,0.15);
}

.cc-input-block input[type="number"] {
    flex: 1;
    min-width: 0;
    text-align: center;
    border: none;
    background: transparent;
    font-size: 20px;
    font-weight: 700;
    color: var(--cc-primary-dark);
    padding: 10px 0;
    -moz-appearance: textfield;
    font-family: inherit;
}

.cc-input-block input[type="number"]::-webkit-inner-spin-button,
.cc-input-block input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cc-input-block input[type="number"]:focus {
    outline: none;
    box-shadow: none;
}

/* Range slider */
.cc-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--cc-border);
    border-radius: 3px;
    outline: none;
    margin: 0;
}

.cc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--cc-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    transition: transform 0.15s;
}

.cc-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.cc-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--cc-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* ===== Ratio Gauge ===== */
.cc-ratio-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.cc-ratio-gauge {
    position: relative;
    width: 120px;
    height: 120px;
}

.cc-gauge-svg {
    transform: rotate(-90deg);
    width: 120px;
    height: 120px;
}

.cc-gauge-bg {
    fill: none;
    stroke: var(--cc-border);
    stroke-width: 8;
}

.cc-gauge-fill {
    fill: none;
    stroke: var(--cc-success);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 326.73;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.5s ease, stroke 0.3s ease;
}

.cc-gauge-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.cc-ratio-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--cc-primary-dark);
    line-height: 1;
}

.cc-ratio-label {
    font-size: 11px;
    color: var(--cc-text-secondary);
    margin-top: 3px;
}

.cc-ratio-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
}

.cc-status-icon {
    font-size: 18px;
}

.cc-status-text {
    color: var(--cc-text-secondary);
}

.cc-ratio-status.optimal .cc-status-text { color: var(--cc-success); }
.cc-ratio-status.strong .cc-status-text { color: var(--cc-warning); }
.cc-ratio-status.weak .cc-status-text { color: var(--cc-info); }

/* Reset Button */
.cc-reset-btn {
    background: none;
    border: 1.5px solid var(--cc-border);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--cc-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}

.cc-reset-btn:hover {
    border-color: var(--cc-primary);
    color: var(--cc-primary);
    background: #FFF8F0;
}

.cc-reset-btn.done {
    border-color: var(--cc-success);
    color: var(--cc-success);
}

/* ===== Recipe Grid ===== */
.cc-recipe-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.cc-recipe-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 8px;
    background: var(--cc-bg);
    border-radius: 12px;
    text-align: center;
}

.cc-recipe-icon {
    font-size: 20px;
}

.cc-recipe-label {
    font-size: 11px;
    color: var(--cc-text-secondary);
}

.cc-recipe-val {
    font-size: 14px;
    font-weight: 700;
    color: var(--cc-primary-dark);
    line-height: 1.2;
}

/* Tip box */
.cc-tip-box {
    background: #F5F0EB;
    padding: 16px 20px;
    border-radius: 12px;
    border-left: 4px solid var(--cc-primary);
}

.cc-tip-box strong {
    display: block;
    color: var(--cc-primary-dark);
    margin-bottom: 6px;
    font-size: 15px;
}

.cc-tip-box p {
    margin: 0;
    color: var(--cc-text-secondary);
    font-size: 14px;
    line-height: 1.55;
}

/* ===== Help / Details ===== */
.cc-help {
    cursor: default;
}

.cc-help summary {
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    color: var(--cc-primary-dark);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.cc-help summary::-webkit-details-marker {
    display: none;
}

.cc-help summary::after {
    content: '▸';
    margin-left: auto;
    transition: transform 0.2s;
    font-size: 14px;
    color: var(--cc-text-secondary);
}

.cc-help[open] summary::after {
    transform: rotate(90deg);
}

.cc-help-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.cc-help-card {
    background: var(--cc-bg);
    padding: 16px;
    border-radius: 12px;
}

.cc-help-card h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--cc-primary-dark);
}

.cc-help-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cc-help-card li {
    font-size: 13px;
    color: var(--cc-text-secondary);
    padding: 4px 0;
    line-height: 1.4;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .cc-calculator {
        padding: 0 12px;
    }

    .cc-section {
        padding: 18px 16px;
    }

    .cc-methods-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }

    .cc-method-card {
        padding: 10px 4px 8px;
    }

    .cc-method-icon {
        width: 28px;
        height: 28px;
    }

    .cc-method-icon svg {
        width: 28px;
        height: 28px;
    }

    .cc-method-name {
        font-size: 10px;
    }

    .cc-inputs-row {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .cc-recipe-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cc-help-grid {
        grid-template-columns: 1fr;
    }

    .cc-cups-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 400px) {
    .cc-methods-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== Animations ===== */
@keyframes ccPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.cc-ratio-gauge.pulse {
    animation: ccPulse 0.3s ease;
}