* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.ocean {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(180deg, #0f2a5c 0%, #14428c 38%, #2f66d1 72%, #5b8def 100%);
    transition: background 0.4s ease;
}

/* Dark mode - same hero (bubbles, waves, brand mark all untouched), deepened toward
   midnight to match the rest of the app rather than left as the bright daytime gradient. */
:root[data-theme="dark"] .ocean {
    background: linear-gradient(180deg, #050914 0%, #0b1830 38%, #142544 72%, #1c3358 100%);
}

:root[data-theme="dark"] .auth-card {
    background: rgba(10, 16, 28, 0.45);
    border-color: rgba(255, 255, 255, 0.14);
}

:root[data-theme="dark"] .auth-field input {
    background: rgba(20, 27, 43, 0.85);
    border-color: rgba(255, 255, 255, 0.18);
    color: #e7ecf7;
}

:root[data-theme="dark"] .auth-submit {
    background: linear-gradient(135deg, #4d7ef0 0%, #8a6ef5 100%);
    color: #ffffff;
}

/* Rising bubbles */
.bubble {
    position: absolute;
    bottom: -40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    animation: rise linear infinite;
}

@keyframes rise {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    10%  { opacity: 0.9; }
    100% { transform: translateY(-115vh) translateX(var(--drift, 20px)); opacity: 0; }
}

/* Layered waves */
.waves {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    line-height: 0;
    z-index: 1;
}

.waves svg {
    width: 100%;
    height: 140px;
    display: block;
}

.wave-back  { animation: drift 22s ease-in-out infinite; opacity: 0.35; }
.wave-mid   { animation: drift 16s ease-in-out infinite reverse; opacity: 0.55; bottom: 10px; }
.wave-front { animation: drift 11s ease-in-out infinite; opacity: 0.9; bottom: -6px; }

@keyframes drift {
    0%, 100% { transform: translateX(0); }
    50%      { transform: translateX(-3%); }
}

/* Brand moment */
.brand-hero {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 22px;
}

.icon-float {
    animation: drift-in 1.15s cubic-bezier(.34, 1.56, .64, 1) both,
               bob 5s ease-in-out 1.15s infinite;
}

.icon-wrap {
    position: relative;
    animation: vibrate-loop 0.5s ease-in-out 1.15s infinite;
}

@keyframes drift-in {
    0%   { transform: translateX(-220px) rotate(-14deg); opacity: 0; }
    55%  { transform: translateX(14px) rotate(5deg); opacity: 1; }
    75%  { transform: translateX(-6px) rotate(-2deg); }
    90%  { transform: translateX(2px) rotate(1deg); }
    100% { transform: translateX(0) rotate(0deg); }
}

@keyframes vibrate-loop {
    0%, 100% { transform: translate(0, 0); }
    20%      { transform: translate(-2px, 1px); }
    40%      { transform: translate(2px, -1px); }
    60%      { transform: translate(-2px, -1px); }
    80%      { transform: translate(2px, 1px); }
}

@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}

/* Echo rings: continuous shockwaves radiating outward from the mark across the whole scene */
.echo-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 92px;
    height: 92px;
    margin: -46px 0 0 -46px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.55);
    animation: echo 3.6s ease-out infinite;
    pointer-events: none;
    z-index: 0;
}

.echo-ring:nth-child(2) { animation-delay: 1.2s; }
.echo-ring:nth-child(3) { animation-delay: 2.4s; }

@keyframes echo {
    0%   { transform: scale(0.4); opacity: 0.7; }
    100% { transform: scale(16); opacity: 0; }
}

.brand-hero svg {
    width: 92px;
    height: 92px;
    color: #fff;
    filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.28));
    display: block;
    position: relative;
    z-index: 1;
}

.brand-hero .word {
    margin-top: 14px;
    color: #fff;
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: 0.02em;
    animation: fade-up 0.6s ease-out 0.95s both,
               vibrate-loop 0.5s ease-in-out 1.55s infinite;
}

.brand-hero .tag {
    color: rgba(255, 255, 255, 0.75);
    font-size: var(--text-sm);
    margin-top: 4px;
    letter-spacing: 0.04em;
    animation: fade-up 0.6s ease-out 1.2s both;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Glass card */
.auth-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 380px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: 20px;
    padding: 30px 28px;
    box-shadow: 0 20px 60px rgba(6, 20, 50, 0.35);
    animation: rise-in 0.6s cubic-bezier(.2, .8, .2, 1) both;
}

@keyframes rise-in {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.auth-card h2 {
    color: #fff;
    margin: 0 0 4px;
    font-size: var(--text-xl);
    text-align: center;
}

.auth-card .sub {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    text-align: center;
    margin: 0 0 22px;
}

.auth-error {
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(248, 113, 113, 0.5);
    color: #fff;
    font-size: var(--text-sm);
    padding: 10px 14px;
    border-radius: 8px;
    margin: 0 0 16px;
    text-align: center;
}

.auth-success {
    background: rgba(22, 163, 74, 0.15);
    border: 1px solid rgba(74, 222, 128, 0.5);
    color: #fff;
    font-size: var(--text-sm);
    padding: 10px 14px;
    border-radius: 8px;
    margin: 0 0 16px;
    text-align: center;
}

.auth-field {
    margin-bottom: 16px;
}

.auth-field label {
    display: block;
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.auth-field input {
    width: 100%;
    padding: 11px 13px;
    border-radius: 10px;
    font-size: var(--text-base);
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.92);
    color: #1c1f26;
    font-family: inherit;
    box-sizing: border-box;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.auth-field input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

/* ---- Password strength hint (client-side only - see passwordStrength.js) - a quiet one-line
   rule reminder plus a slim 4-segment bar, filled/colored as the user types. ---- */
.password-strength {
    margin-top: 8px;
}

.strength-hint {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 6px;
}

.strength-bar {
    display: flex;
    gap: 3px;
    height: 4px;
}

.strength-bar span {
    flex: 1;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    transition: background 0.2s ease;
}

.strength-label {
    font-size: 11.5px;
    font-weight: 700;
    margin-top: 5px;
    min-height: 14px;
}

.password-strength.shake {
    animation: strength-shake 0.4s ease;
}

@keyframes strength-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.auth-submit {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #ffffff 0%, #dce8ff 100%);
    color: #14428c;
    font-weight: 700;
    font-size: var(--text-base);
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
}

.auth-switch {
    text-align: center;
    margin-top: 16px;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.75);
}

.auth-switch a {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

/* This family of pages (login/register/forgot-password/reset-password/resend-verification/
   verify-email) doesn't include the shared header, so the toggle floats top-right instead of
   sitting inline in a nav bar. .theme-toggle's base look comes from common.css. */
.auth-theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3;
}

/* ---- Signup "identity card" (Option B from the design review) - a live, WYSIWYG mini
   profile: the avatar overlaps the cover banner exactly like the real profile page, so signup
   already looks like the account being built. Clicking either part opens its own customizer
   modal below - always skippable, registration never depends on either. ---- */
.identity-card {
    width: 100%;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0 0 20px;
}

.identity-banner {
    height: 78px;
    border-radius: 14px 14px 0 0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    width: 100%;
    display: block;
}

.identity-banner svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.identity-edit-pill {
    position: absolute;
    right: 8px;
    bottom: 8px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-size: 9.5px;
    font-weight: 700;
    padding: 4px 9px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.identity-edit-pill svg {
    width: 10px;
    height: 10px;
}

.identity-header {
    padding: 0 14px 14px;
    position: relative;
}

.identity-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    border: 3px solid #14428c;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
    position: relative;
    margin-top: -30px;
    padding: 0;
    font: inherit;
}

.identity-avatar svg { width: 22px; height: 22px; }

/* No overflow:hidden on .identity-avatar itself - the cam-badge below is deliberately
   positioned half outside its box (bottom:-1px/right:-1px), and clipping the parent would
   clip the badge too. The <img> clips itself to a circle instead, achieving the same crop
   without touching the badge. */
.identity-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.identity-avatar.filled { border-style: solid; }

.identity-avatar .cam-badge {
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    color: #14428c;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #14428c;
}

.identity-avatar .cam-badge svg { width: 10px; height: 10px; }

.identity-hint {
    color: rgba(255, 255, 255, 0.6);
    font-size: 10.5px;
    margin: 8px 0 0;
}

/* ---- Avatar customizer modal - same frosted-glass treatment as .auth-card, since it opens
   on top of the same ocean background rather than a plain page. ---- */
.avatar-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(5, 10, 20, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.avatar-modal-backdrop[hidden] { display: none; }

.avatar-modal {
    position: relative;
    width: 100%;
    max-width: 380px;
    max-height: 90vh;
    overflow-y: auto;
    background: rgba(20, 30, 55, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 26px 24px 22px;
    box-shadow: 0 24px 70px rgba(4, 10, 25, 0.5);
    color: #fff;
}

.avatar-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.avatar-modal-close svg { width: 11px; height: 11px; }

.avatar-modal h2 {
    margin: 0 0 2px;
    font-size: 1.15rem;
    text-align: center;
    color: #fff;
}

.avatar-modal .modal-sub {
    margin: 0 0 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.78rem;
}

.avatar-modal-preview {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.avatar-circle-preview {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
    overflow: hidden;
    position: relative;
}

.avatar-circle-preview svg { width: 26px; height: 26px; }
.avatar-circle-preview img { width: 100%; height: 100%; object-fit: cover; }
.avatar-circle-preview .avatar-icon { width: 46%; height: 46%; }

/* ---- Cover photo modal - reuses .avatar-modal/.avatar-tabs/.avatar-panel/.avatar-dropzone
   above (those are already shape-agnostic), just needs its own wide (3:1) preview/grid instead
   of circles. ---- */
.avatar-modal.cover-modal {
    max-width: 440px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* legacy Edge/IE */
}

/* Still scrollable (.avatar-modal's overflow-y: auto) if content ever exceeds max-height - this
   only hides the visible track/thumb so it doesn't show over the frosted card. */
.avatar-modal.cover-modal::-webkit-scrollbar {
    display: none;
}

.cover-modal-preview {
    width: 100%;
    aspect-ratio: 3.2 / 1;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: rgba(255, 255, 255, 0.12);
}

.cover-modal-preview img { width: 100%; height: 100%; object-fit: cover; }
.cover-modal-preview svg { width: 100%; height: 100%; display: block; }

.cover-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.cover-preset-option {
    aspect-ratio: 2.6 / 1;
    border-radius: 10px;
    border: 2px solid transparent;
    padding: 0;
    cursor: pointer;
    background: none;
    position: relative;
    overflow: hidden;
}

.cover-preset-option.selected { border-color: #fff; }

.cover-swatch {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.cover-swatch svg { width: 26%; height: 26%; }

.cover-preset-option .cover-label {
    position: absolute;
    left: 8px;
    bottom: 6px;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.cover-color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.cover-color-option {
    aspect-ratio: 2.6 / 1;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0;
    background: none;
}

.cover-color-option.selected { border-color: #fff; }

.cover-color-fill {
    width: 100%;
    height: 100%;
    border-radius: 6px;
    display: block;
}

.avatar-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 4px;
    gap: 4px;
    margin-bottom: 18px;
}

.avatar-tab {
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px 4px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
}

.avatar-tab.active {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.avatar-panel { display: none; }
.avatar-panel.active { display: block; }

.avatar-dropzone {
    display: block;
    border: 1.5px dashed rgba(255, 255, 255, 0.35);
    border-radius: 14px;
    padding: 22px 16px;
    text-align: center;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.65);
}

.avatar-dropzone:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.06);
}

.avatar-dropzone svg {
    width: 24px;
    height: 24px;
    margin-bottom: 6px;
    color: #fff;
}

.avatar-dropzone .dz-title {
    display: block;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
}

.avatar-dropzone .dz-desc {
    display: block;
    font-size: 0.72rem;
    margin-top: 2px;
}

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.avatar-preset-option, .avatar-color-option {
    aspect-ratio: 1;
    border-radius: 50%;
    border: 2px solid transparent;
    padding: 3px;
    cursor: pointer;
    background: transparent;
}

.avatar-preset-option.selected, .avatar-color-option.selected {
    border-color: #fff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.preset-swatch, .color-swatch {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.preset-swatch svg { width: 44%; height: 44%; }

.avatar-hue-row {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.avatar-hue-row label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.6);
}

.avatar-hue-row input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg,
        hsl(0,80%,60%), hsl(60,80%,60%), hsl(120,80%,60%), hsl(180,80%,60%),
        hsl(240,80%,60%), hsl(300,80%,60%), hsl(360,80%,60%));
    cursor: pointer;
}

.avatar-hue-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #14428c;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.avatar-hue-row input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #14428c;
}

.avatar-modal-actions {
    margin-top: 22px;
}

.avatar-modal-actions .btn-save {
    width: 100%;
    padding: 11px;
    border-radius: 10px;
    border: none;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    background: linear-gradient(135deg, #ffffff 0%, #dce8ff 100%);
    color: #14428c;
}