/* ===== Cloud Mail - Shared Styles ===== */

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

:root {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface-2: #334155;
    --border: #475569;
    --text: #f1f5f9;
    --text-2: #94a3b8;
    --primary: #38bdf8;
    --primary-hover: #7dd3fc;
    --primary-bg: rgba(56, 189, 248, 0.12);
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
}

html { font-size: 15px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ===== Form Fields ===== */
.field { margin-bottom: 1.2rem; }
.field label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-2);
    margin-bottom: 0.3rem;
    font-weight: 500;
    line-height: 1.4;
}
.field input {
    width: 100%;
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}
.field input::placeholder { color: var(--text-2); opacity: 0.5; }

/* ===== Select (dark theme, matches input) ===== */
select.field-input {
    width: 100%;
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.6rem 2rem 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem center;
    background-size: 12px;
}
select.field-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}
select.field-input option {
    background: var(--surface);
    color: var(--text);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.6rem 1.4rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--primary);
    color: #0f172a;
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }

.btn-secondary {
    background: var(--surface-2);
    color: var(--text);
}
.btn-secondary:hover:not(:disabled) { background: #475569; }

.btn-success {
    background: var(--success);
    color: #0f172a;
}
.btn-success:hover:not(:disabled) { background: #4ade80; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-2);
}
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; }

/* ===== Toast ===== */
.toast {
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn .25s ease;
}
.toast-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.toast-error   { background: var(--error-bg);   color: var(--error);   border: 1px solid rgba(239,68,68,0.3); }
.toast-info    { background: var(--primary-bg);  color: var(--primary); border: 1px solid rgba(56,189,248,0.3); }

/* ===== Spinner ===== */
.spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Entrance Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideUpSm {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ===== Tooltip ===== */
[data-tooltip] {
    position: relative;
}
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    z-index: 100;
    bottom: calc(100% + 8px);
    left: 0;
    transform: translateY(4px);
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 450;
    color: var(--text);
    background: #1a2744;
    border: 1px solid rgba(71,85,105,0.6);
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .18s ease, transform .18s ease;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    line-height: 1.4;
}
[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
    opacity: 1;
    transform: translateY(0);
}
[data-tooltip]::before {
    content: '';
    position: absolute;
    z-index: 100;
    bottom: calc(100% + 4px);
    left: 10px;
    transform: translateY(4px) rotate(45deg);
    width: 6px;
    height: 6px;
    background: #1a2744;
    border: 1px solid rgba(71,85,105,0.6);
    border-top: none;
    border-left: none;
    pointer-events: none;
    opacity: 0;
    transition: opacity .18s ease, transform .18s ease;
    box-shadow: 3px 3px 6px rgba(0,0,0,0.3);
}
[data-tooltip]:hover::before,
[data-tooltip]:focus-visible::before {
    opacity: 1;
    transform: translateY(0) rotate(45deg);
}