/* =========================================================================
   Studio TPE App — Login page
   ========================================================================= */

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

:root {
    --teal:     #0fb88a;
    --teal-dim: #0d9e76;
    --font:     'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --bg:           #f8f9fb;
    --box-bg:       #ffffff;
    --box-border:   rgba(0,0,0,0.08);
    --text:         #1a2332;
    --text-2:       #5a6a7e;
    --text-3:       #9aaabb;
    --input-bg:     #f8f9fb;
    --input-border: rgba(0,0,0,0.12);
    --input-text:   #1a2332;

    --danger:        #ef4444;
    --danger-bg:     rgba(239,68,68,0.08);
    --danger-border: rgba(239,68,68,0.2);
    --warning:       #f59e0b;
    --warning-bg:    rgba(245,158,11,0.08);
    --warning-border: rgba(245,158,11,0.2);
}

[data-theme="dark"] {
    --bg:           #0f1623;
    --box-bg:       #161e2e;
    --box-border:   rgba(255,255,255,0.08);
    --text:         #e8edf4;
    --text-2:       #8fa3bb;
    --text-3:       #4e6580;
    --input-bg:     #1e2a3d;
    --input-border: rgba(255,255,255,0.12);
    --input-text:   #e8edf4;
}

body {
    font-family: var(--font);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
    transition: background 0.15s;
}

.theme-toggle-fixed {
    position: fixed;
    top: 1rem; right: 1rem;
    width: 36px; height: 36px;
    border-radius: 8px;
    border: 1px solid var(--box-border);
    background: var(--box-bg);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-2);
    transition: all 0.15s;
}
.theme-toggle-fixed:hover { color: var(--text); }
.theme-toggle-fixed svg { width: 16px; height: 16px; }
.theme-toggle-fixed .icon-sun  { display: none; }
.theme-toggle-fixed .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle-fixed .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle-fixed .icon-moon { display: none; }

.box {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
    transition: background 0.15s, border-color 0.15s;
}

.logo {
    width: 40px; height: 40px;
    background: var(--teal);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 16px;
    color: #fff;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 20px; font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

p.subtitle {
    font-size: 13.5px;
    color: var(--text-2);
    margin-bottom: 2rem;
}

label {
    display: block;
    font-size: 12px; font-weight: 500;
    color: var(--text-2);
    margin-bottom: 6px;
}

input {
    width: 100%;
    padding: 9px 12px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--input-text);
    font-family: var(--font);
    font-size: 13.5px;
    outline: none;
    margin-bottom: 1rem;
    transition: border-color 0.15s, background 0.15s;
}
input:focus { border-color: var(--teal); }
input::placeholder { color: var(--text-3); }

button[type="submit"] {
    width: 100%;
    padding: 10px;
    background: var(--teal);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}
button[type="submit"]:hover { background: var(--teal-dim); }

.alert {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 1rem;
    border-style: solid;
    border-width: 1px;
}
.alert-error {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}
.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning);
}