:root {
    --font-sans: "Inter", sans-serif;
    --text-color: rgb(25, 25, 24);
    --bg-color: #fafafa;
    --border-color: rgba(55, 53, 47, 0.12);
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;

    /* App Specific */
    --text-primary: rgb(25, 25, 24);
    --text-secondary: rgba(25, 25, 24, 0.9);
    --sidebar-text: rgba(25, 23, 17, 0.6);
    --hover-surface: rgba(55, 53, 47, 0.08);
    --selection-bg: rgba(35, 131, 226, 0.28);
    --caret-color: rgb(55, 53, 47);
    --primary-blue: #2383E2;
    --primary-blue-hover: #1B6DC1;
    --primary-blue-active: #155A9E;

    /* Verdict Colors */
    --color-true: #0B8A5E;
    --bg-true: rgba(11, 138, 94, 0.1);
    --color-mostly-true: #52BA81;
    --bg-mostly-true: rgba(82, 186, 129, 0.1);
    --color-partially-true: #F2994A;
    --bg-partially-true: rgba(242, 153, 74, 0.1);
    --color-misleading: #EB5757;
    --bg-misleading: rgba(235, 87, 87, 0.1);
    --color-false: #D4380D;
    --bg-false: rgba(212, 56, 13, 0.1);
    --color-insufficient: #828282;
    --bg-insufficient: rgba(130, 130, 130, 0.1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-32) var(--space-24);
}

/* ========== APP HEADER ========== */
.app-header {
    text-align: center;
    margin-bottom: var(--space-24);
    padding: var(--space-16) var(--space-24);
    margin: calc(-1 * var(--space-32)) calc(-1 * var(--space-24)) var(--space-24);
}

.app-header__title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--text-color);
    margin: 0;
    padding-bottom: var(--space-16);
}

.app-header__title::after {
    content: "";
    display: block;
    width: 40%;
    height: 1px;
    background: var(--border-color);
    margin: var(--space-16) auto 0;
}

/* Input Section */
.input-section {
    margin-bottom: 48px;
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

textarea {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    border: 0.5px solid rgba(55, 53, 47, 0.16);
    border-radius: 8px;
    resize: none;
    font-family: inherit;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.primary-btn {
    font-size: 16px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 50px;
    background: #000000;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s;
    font-family: "Inter";
}

.primary-btn:hover {
    background: #1a1a1a;
}

.primary-btn:active {
    background: #333333;
}

.primary-btn:disabled {
    background: rgba(0, 0, 0, 0.3);
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    width: 18px;
    height: 18px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Results Section */
.results-section {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.result-card {
    padding: 24px;
    border-radius: 12px;
    border: 0.5px solid rgba(55, 53, 47, 0.16);
}

.verdict-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border: none;
    padding: 32px;
}

.verdict-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: fit-content;
}

.verdict-text {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.35;
}

/* Verdict Styles */
.verdict-True {
    color: var(--color-true);
    background-color: var(--bg-true);
}

.verdict-Mostly-True {
    color: var(--color-mostly-true);
    background-color: var(--bg-mostly-true);
}

.verdict-Partially-True {
    color: var(--color-partially-true);
    background-color: var(--bg-partially-true);
}

.verdict-Misleading {
    color: var(--color-misleading);
    background-color: var(--bg-misleading);
}

.verdict-False {
    color: var(--color-false);
    background-color: var(--bg-false);
}

.verdict-Insufficient-Evidence {
    color: var(--color-insufficient);
    background-color: var(--bg-insufficient);
}

h2 {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--sidebar-text);
    margin-bottom: 12px;
}

.summary-text,
.context-text {
    font-size: 18px;
    color: var(--text-secondary);
}

.evidence-list {
    list-style: none;
}

.evidence-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    font-size: 18px;
    color: var(--text-secondary);
}

.evidence-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.sources-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.source-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.source-group li a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
}

.source-group li a:hover {
    text-decoration: underline;
}

.source-info {
    font-size: 14px;
    color: var(--sidebar-text);
    margin-top: 2px;
}

/* Error */
.error-container {
    margin-top: 24px;
    padding: 16px;
    background-color: var(--bg-false);
    color: var(--color-false);
    border-radius: 8px;
    font-weight: 500;
}

footer {
    margin-top: 80px;
    padding-top: 32px;
    border-top: 0.5px solid rgba(55, 53, 47, 0.16);
    color: var(--sidebar-text);
    font-size: 14px;
    text-align: center;
}

@media (max-width: 768px) {
    .container {
        padding: var(--space-24) var(--space-16);
    }

    .app-header {
        padding: var(--space-12) var(--space-16);
        margin: calc(-1 * var(--space-24)) calc(-1 * var(--space-16)) var(--space-20);
    }

    .app-header__title {
        font-size: 28px;
    }
}