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

:root {
    --tool-text: #0f172a;
    --tool-muted: #475569;
    --tool-accent: #0ea5e9;
    --tool-accent-strong: #14b8a6;
    --tool-card: rgba(255, 255, 255, 0.96);
    --tool-border: rgba(15, 23, 42, 0.12);
}

html, body {
    height: 100%;
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%);
    color: var(--tool-text);
}

body {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: linear-gradient(135deg, #14b8a6 0%, #0ea5e9 100%);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 0;
    font-weight: 600;
}

.skip-to-content:focus {
    top: 0;
}

.container {
    background: var(--tool-card);
    border-radius: 26px;
    box-shadow: 0 8px 32px rgba(20, 184, 166, 0.2);
    border: 2px solid;
    border-image: linear-gradient(135deg, #14b8a6 0%, #0ea5e9 50%, #3b82f6 100%) 1;
    padding: 40px 40px 50px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    position: relative;
    color: var(--tool-text);
}

.container-wide {
    max-width: 900px;
}

.back-home-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
    color: #0f172a;
    text-decoration: none;
    padding: 8px 16px;
    background: rgba(14, 165, 233, 0.12);
    border: 1px solid rgba(14, 165, 233, 0.35);
    border-radius: 10px;
    font-size: 0.9em;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.back-home-link:hover,
.back-home-link:focus-visible {
    background: rgba(14, 165, 233, 0.2);
    transform: translateX(-3px);
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.2);
}

.description {
    font-weight: 500;
    font-size: 1rem;
    margin-bottom: 24px;
    color: var(--tool-muted);
    line-height: 1.6;
}

h1 {
    font-weight: 600;
    margin-bottom: 18px;
    font-size: 2.6rem;
    color: var(--tool-text);
}

form {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 600px;
    gap: 12px;
    margin-bottom: 24px;
    text-align: left;
}

.input-label {
    font-weight: 600;
    color: var(--tool-text);
}

.input-help {
    margin: 0;
    font-size: 0.9rem;
    color: var(--tool-muted);
}

.input-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

input[type="url"] {
    flex: 1 1 240px;
    padding: 14px 18px;
    font-size: 1rem;
    border: 2px solid var(--tool-border);
    border-radius: 12px;
    outline: none;
    background: #fff;
    color: var(--tool-text);
    box-shadow: inset 0 0 8px rgba(15, 23, 42, 0.06);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="url"]::placeholder {
    color: #64748b;
}

input[type="url"]:focus {
    border-color: rgba(14, 165, 233, 0.6);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

button {
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #14b8a6 0%, #0ea5e9 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.25);
    transition: transform 0.2s ease, box-shadow 0.3s ease, filter 0.2s ease;
}

button:hover,
button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(14, 165, 233, 0.3);
    filter: brightness(1.03);
}

button:disabled,
.action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    filter: none;
}

.button-secondary {
    background: rgba(15, 23, 42, 0.06);
    color: var(--tool-text);
    border: 1px solid var(--tool-border);
    box-shadow: none;
}

.button-secondary:hover,
.button-secondary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12);
    filter: none;
}

.button-compact {
    padding: 10px 14px;
    font-size: 0.9rem;
}

.status-message {
    margin-top: 16px;
    padding: 10px 14px;
    border-radius: 12px;
    background: rgba(14, 165, 233, 0.12);
    color: var(--tool-text);
    font-size: 0.95rem;
    display: none;
}

.status-message.show {
    display: block;
}

.status-message.error {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

.input-with-action {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.input-with-action input {
    flex: 1 1 220px;
    min-width: 0;
    width: auto;
}

.input-error {
    margin: 8px 0 0;
    font-size: 0.85rem;
    color: #b91c1c;
    min-height: 1em;
}

.counts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--tool-muted);
}

.counts span {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--tool-text);
    font-weight: 600;
}

.result-card {
    margin-top: 30px;
    width: 100%;
    word-break: break-word;
    font-size: 1rem;
    color: var(--tool-text);
    background: rgba(15, 23, 42, 0.04);
    padding: 16px 20px;
    border-radius: 14px;
    border: 1px solid var(--tool-border);
    display: grid;
    gap: 12px;
    text-align: left;
}

.result-card.error {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.08);
    color: #b91c1c;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.result-title {
    font-weight: 600;
}

.result-status {
    font-size: 0.85rem;
    color: var(--tool-accent);
}

.result-status.error {
    color: #b91c1c;
}

.result-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.result-row input {
    flex: 1 1 240px;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--tool-border);
    background: #fff;
    color: var(--tool-text);
    font-size: 0.95rem;
}

.result-link {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.result-placeholder {
    margin: 0;
    color: var(--tool-muted);
    font-size: 0.95rem;
}

#ads-container {
margin-top: 40px;
width: 100%;
max-width: 600px;
background: rgba(255, 255, 255, 0.15);
border-radius: 14px;
min-height: 90px;
display: flex;
justify-content: center;
align-items: center;
color: #e0e0e0cc;
font-style: italic;
font-size: 0.9rem;
text-shadow: 0 0 4px rgba(0,0,0,0.1);
box-shadow:
0 4px 15px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    body {
        padding: 30px 15px;
        min-height: auto;
    }

    .container {
        padding: 30px 25px 40px;
        border-width: 8px;
        border-radius: 20px;
    }

    h1 {
        font-size: 2.1rem;
        margin-bottom: 16px;
    }

    .back-home-link {
        font-size: 0.85em;
        padding: 6px 12px;
        margin-bottom: 15px;
    }

    .description {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .input-row {
        flex-direction: column;
    }

    input[type="url"] {
        width: 100%;
        padding: 12px 16px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    button,
    .button-secondary {
        width: 100%;
        padding: 12px 20px;
        font-size: 1rem;
    }

    .result-card {
        font-size: 0.95rem;
        padding: 14px 18px;
        margin-top: 24px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 20px 10px;
    }

    .container {
        padding: 25px 20px 35px;
        border-width: 6px;
        border-radius: 18px;
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 16px;
    }

    .description {
        font-size: 0.9rem;
        margin-bottom: 18px;
    }

    input[type="url"] {
        padding: 10px 14px;
        font-size: 16px;
    }

    button,
    .button-secondary {
        padding: 10px 18px;
        font-size: 0.95rem;
    }

    .result-card {
        font-size: 0.9rem;
        padding: 12px 16px;
    }
}