/*
 * Drop a background image at /images/chat-bg.jpg (or change the path
 * in --chat-bg-image below). If the file is missing, the pastel
 * gradient fallback shows automatically.
 *
 * Tweak --chat-overlay alpha if your photo is too bright/dark and
 * messages are hard to read. Higher alpha = stronger pastel tint.
 */
:root {
    --bg: #fff5f7;
    --card: #ffffff;
    --card-soft: rgba(255, 255, 255, 0.85);
    --text: #4a4458;
    --muted: #9ca3af;
    --accent: #ec4899;
    --accent-deep: #be185d;
    --accent-soft: #fbcfe8;
    --error: #e11d48;
    --border: #fce7f3;

    --me-bg: linear-gradient(135deg, #fb7185, #ec4899);
    --me-text: #ffffff;
    --them-bg: #ffffff;
    --them-text: #4a4458;

    --chat-bg-image: url("/images/chat-bg.jpg");
    --chat-overlay: rgba(255, 245, 247, 0.75);
    --chat-fallback: linear-gradient(135deg, #fde4e9 0%, #ffe8d6 50%, #e0f2e9 100%);

    --shadow-soft: 0 4px 16px rgba(236, 72, 153, 0.10);
    --shadow-bubble: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-me: 0 4px 14px rgba(236, 72, 153, 0.30);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Quicksand", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

/* ===== Login ===== */

.login-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 1rem;
    background:
        radial-gradient(circle at 20% 10%, #ffe1ec 0%, transparent 50%),
        radial-gradient(circle at 80% 90%, #ffe8d6 0%, transparent 50%),
        linear-gradient(135deg, #fff5f7 0%, #fef3f7 100%);
}

.login-card {
    background: var(--card);
    border-radius: 1.5rem;
    padding: 2rem 1.75rem;
    width: 100%;
    max-width: 360px;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    background: var(--bg);
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.15);
}

.login-card h1 {
    margin: 0 0 1.5rem;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text);
}

.login-card input {
    width: 100%;
    padding: 0.85rem 1rem;
    margin-bottom: 0.75rem;
    border-radius: 1rem;
    border: 2px solid var(--border);
    background: #fffafc;
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color .15s, background .15s;
}

.login-card input:focus {
    outline: none;
    border-color: var(--accent);
    background: #ffffff;
}

.login-card input[readonly] {
    color: var(--muted);
    cursor: default;
    background: var(--border);
}

.login-card button {
    width: 100%;
    padding: 0.85rem;
    border-radius: 1rem;
    border: none;
    background: var(--me-bg);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: transform .1s, box-shadow .15s;
    box-shadow: var(--shadow-me);
}

.login-card button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(236, 72, 153, 0.4);
}

.login-card button:active {
    transform: translateY(0);
}

.alert {
    padding: 0.7rem;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert.error {
    background: #fee2e2;
    color: var(--error);
}

.alert.info {
    background: #fce7f3;
    color: var(--accent-deep);
}

/* ===== Chat ===== */

.chat-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    background:
        linear-gradient(var(--chat-overlay), var(--chat-overlay)),
        var(--chat-bg-image),
        var(--chat-fallback);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card-soft);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg);
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.18);
}

.display-name {
    font-weight: 600;
    color: var(--text);
}

.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.avatar-sm.partner {
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color .15s, transform .15s;
}

.avatar-sm.partner:hover {
    border-color: var(--accent);
    transform: scale(1.05);
}

.logout-form { margin: 0; }

.logout-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    transition: background .15s, color .15s;
}

.logout-btn:hover {
    color: var(--accent);
    background: var(--border);
}

.messages {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.msg {
    display: flex;
    flex-direction: column;
    max-width: 75%;
}

.msg.mine {
    align-self: flex-end;
    align-items: flex-end;
}

.msg.theirs {
    align-self: flex-start;
    align-items: flex-start;
}

.bubble {
    padding: 0.7rem 1rem;
    border-radius: 1.25rem;
    line-height: 1.4;
    word-wrap: break-word;
    white-space: pre-wrap;
    font-size: 0.97rem;
}

.msg.mine .bubble {
    background: var(--me-bg);
    color: var(--me-text);
    border-bottom-right-radius: 0.35rem;
    box-shadow: var(--shadow-me);
}

.msg.theirs .bubble {
    background: var(--them-bg);
    color: var(--them-text);
    border-bottom-left-radius: 0.35rem;
    box-shadow: var(--shadow-bubble);
}

.meta {
    font-size: 0.7rem;
    color: var(--muted);
    margin-top: 0.2rem;
    padding: 0 0.6rem;
}

.send-form {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--card-soft);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.send-form input {
    flex: 1;
    padding: 0.75rem 1.1rem;
    border-radius: 1.5rem;
    border: 2px solid transparent;
    background: #ffffff;
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color .15s;
    box-shadow: var(--shadow-bubble);
}

.send-form input:focus {
    outline: none;
    border-color: var(--accent-soft);
}

.send-form button {
    padding: 0.75rem 1.4rem;
    border-radius: 1.5rem;
    border: none;
    background: var(--me-bg);
    color: white;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    box-shadow: var(--shadow-me);
    transition: transform .1s;
}

.send-form button:hover {
    transform: translateY(-1px);
}

.send-form button:active {
    transform: translateY(0);
}

/* ===== Map modal ===== */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(74, 68, 88, 0.55);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: grid;
    place-items: center;
    z-index: 1000;
    padding: 1rem;
}

.modal[hidden] {
    display: none;
}

.modal-content {
    background: var(--card);
    border-radius: 1.5rem;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(74, 68, 88, 0.35);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.5rem;
    border-radius: 0.5rem;
    transition: background .15s, color .15s;
}

.close-btn:hover {
    color: var(--accent);
    background: var(--border);
}

.map-canvas {
    flex: 1;
    min-height: 360px;
    background: #fce7f3;
}

/* Avatar pin on the map */
.leaflet-marker-icon.map-marker {
    background: transparent !important;
    border: none !important;
    width: 56px !important;
    height: 56px !important;
}

.map-marker-img {
    width: 56px !important;
    height: 56px !important;
    aspect-ratio: 1 / 1;
    border-radius: 50% !important;
    object-fit: cover;
    object-position: center;
    border: 3px solid #ffffff;
    box-sizing: border-box;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    display: block;
}

.modal-footer {
    padding: 0.85rem 1.25rem;
    color: var(--muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
}