@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --accent-start: #f97316;
    --accent-end: #fb923c;
    --accent-hover: #ea580c;
    --bg-dark: #050507;
    --card-bg: rgba(15,15,22,0.95);
    --border-color: #57534e;
    --text-color: #e2e8f0;
    --summary-bg: #0a0a0f;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg-dark);
    color: var(--text-color);
    min-height: 100vh;
}

.app-container {
    max-width: 1440px;
    margin: 0 auto;
}

header {
    background: rgba(10,10,15,0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(249,115,22,0.2);
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.95rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: white;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 25px -5px rgba(249,115,22,0.4);
}

.status {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(249,115,22,0.12);
    color: #fb923c;
    padding: 10px 22px;
    border-radius: 9999px;
    font-size: 0.97rem;
    font-weight: 500;
    border: 1px solid rgba(251,146,60,0.3);
}

main {
    padding: 3.5rem 3rem;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1100px) {
    .grid {
        grid-template-columns: 1fr 1fr;
    }
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(249,115,22,0.22);
    border-radius: 28px;
    padding: 2.8rem;
    box-shadow: 0 30px 70px -15px rgb(0 0 0 / 0.55);
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 520px;
}

.card h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #fefce8;
    margin-bottom: 1.9rem;
}

textarea {
    flex: 1 1 auto;
    width: 100%;
    min-height: 350px;
    max-height: 650px;  /* dynamic height */
    background: #0a0a0f;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1.9rem 2.2rem;
    color: #f5f5f4;
    font-size: 1.18rem;
    line-height: 1.8;
    resize: vertical;
    overflow-y: auto;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

textarea:focus {
    border-color: var(--accent-start);
    box-shadow: 0 0 0 6px rgba(249,115,22,0.15);
}

.submit-btn {
    margin-top: 2rem;
    width: 100%;
    background: linear-gradient(to right, var(--accent-start), var(--accent-end));
    color: white;
    font-weight: 600;
    font-size: 1.25rem;
    padding: 1.5rem;
    border-radius: 22px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    box-shadow: 0 15px 35px -8px rgba(249,115,22,0.45);
    transition: all 0.3s ease;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(249,115,22,0.55);
}

.submit-btn:disabled {
    opacity: 0.75;
}

.summary-area {
    flex: 1 1 auto;
    min-height: 350px;
    max-height: 650px;
    background: var(--summary-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.2rem;
    overflow-y: auto;
    font-size: 1.18rem;
    line-height: 1.82;
    color: #e7e5e4;
    transition: all 0.3s ease;
}

.summary-area p {
    margin: 0;
}


.copy-btn {
    background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    color: white;
    padding: 0.85rem 1.8rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(249,115,22,0.5);
}

.copy-btn.copied {
    background: #22c55e; /* green */
    color: white;
    box-shadow: 0 8px 20px rgba(34,197,94,0.45);
}


footer {
    text-align: center;
    padding: 3rem 1rem 2.5rem;
    color: #78716c;
    font-size: 0.97rem;
    border-top: 1px solid rgba(249,115,22,0.15);
}


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